Nescl Optcl Cs Os 619 Vol Iia 619

ORISSA POWER TRANSMISSION CORPORATION LIMITED

CONSTRUCTION OF SUBSTATION ALONG WITH TRANSMISSION LINE & ASSOCIATED

SYSTEMS

TECHNICAL SPECIFICATION

VOLUME-IIA

BID DOCUMENT NO: NESCL/OPTCL/CS-OS-619-01

NTPC ELECTRIC SUPPLY COMPANY LIMITED

IMPORTANT INSTRUCTION TO BIDDERS

• This volume (Volume-IIA) of technical

specification comprises of two parts- Scope of Works & Guaranteed Technical Particulars (GTP) & shall be read in conjunction with technical specification Volume-II as they are integral parts of Technical Specification.

• Bidders shall fill up complete Guaranteed

Technical Particulars (GTP) & shall submit along with Technical Bid (Part-1).

(PACKAGE-619)

ON TURNKEY BASIS

SUBSTATION & TRANSMISSION

LINE PACKAGE

VOL-IIA

SCOPE OF WORKS

220/132/33 kv s/s at Karadagadia &

Associated Transmission lines.

PACKAGE REF. NO:- NESCL/OPTCL/CS-OS-619-01

IMPORTANT NOTE

THE BIDDERS ARE ADVISED TO VISIT THE SITE BEFORE QUOTING THE BID. THEY SHALL ASCERTAIN ALL THE REQUIRED DATA FOR TURNKEY COMPLETION OF THE SUBSTATION AND ASSOCIATED TRANSMISSION LINES SUCH AS;

1. SOIL BEARING CAPABILITY.

2. REQUIRED BENCHING AND FILLING FOR SITE LEVELLING.

3. TYPE OF STRUCTURES FOR BOTH LINE & SUBSTATION.

4. TOTAL QUANTITY OF MATERIALS/STRUCTURES/EQUIPMENT.

5. TYPE OF FOUNDATIONS FOR ERECTION OF LINE TOWERS & SUB STATION EQUIPMENTS/STRUCTURES.

6. ASCERTAINING THE LENGTH OF THE REQUIRED BOUNDARY WALL, FENCING AND ROADS.

7. ANY OTHER DATA REQUIRED FOR DESIGNING THE LINE & SUBSTATION.

(PACKAGE-619)

ON TURNKEY BASIS

SUBSTATION & TRANSMISSION

LINE PACKAGE

VOL-IIA

SCOPE OF WORKS

220/132/33 kv s/s at Karadagadia &

Associated Transmission lines.

PACKAGE REF. NO:- NESCL/OPTCL/CS-OS-619

IMPORTANT NOTE

THE BIDDERS ARE ADVISED TO VISIT THE SITE BEFORE QUOTING THE BID. THEY SHALL ASCERTAIN ALL THE DATA FOR TURNKEY COMPLETION OF THE SUBSTATION AND ASSOCIATED TRANSMISSION LINES SUCH AS;

1. SOIL BEARING CAPABILITY.

2. BENCHING AND FILLING FOR SITE LEVELLING.

3. TYPE OF STRUCTURES FOR BOTH LINE & SUBSTATION.

4. QUANTITY OF MATERIALS/STRUCTURES/EQUIPMENT.

5. TYPE OF FOUNDATIONS FOR LINE TOWERS & SUB STATION EQUIPMENT/STRUCTURES.

6. THE LENGTH OF THE BOUNDARY WALL, FENCING AND ROADS.

7. ANY OTHER DATA REQUIRED FOR DESIGNING THE LINE & SUBSTATION.

NESCL/OPTCL/CS-OS-619 SCOPE DETAILS PACKAGE-619 Page-1 of 25

SCOPE OF WORK:- 1. General The Employer (M/S ORISSA POWER TRANSMISSION CORPOTATION LIMITED.) is strengthening their Transmission and Distribution systems by way of constructing 220kV and 132kV transmission lines, & a new substation at KARADAGADIA in the state of Odisha as outlined in the detailed scope of work. The block diagram of the scheme is at Annexure V (at the end of this chapter) .The works are to be carried out on Turnkey Basis till final commissioning of substation and transmission lines and handing over the same to the Employer,

The scope of the work includes:- i) Design, manufacture, testing, supply & commissioning of all equipment for substation and transmission lines, as detailed in the specifications and schedule of quantities and in subsequent clauses except supply of power transformer and PLCC indoor equipment which shall be supplied by the Employer. The contractor shall load, unload, transport, erect, connect to the system, test and commission the power transformer & the PLCC equipment. Since there will be LILO on existing lines, the installation of PLCC equipment at remote (existing) end and proposed end of the sub-station shall be under the scope of the contractor. A general single line diagram showing installations, removing and erection of PLCC equipment (Annexure-VI) has been provided in the technical specification. An indicative SLD & structural layout (Annexure-VII) of the substation has been provided in the technical specification which may be followed as a basis for finalization of the substation structural layout in consultation with OPTCL. ii) Execution of all civil works as per schedule for erection of all substation equipment, structures and foundation of transformers, control rooms, store sheds, pump house, D&E type quarters, roads, culverts, rain water harvesting arrangements, construction of earth mat, cable trench, drainage system, boundary wall etc. iii) Erection, testing, commissioning of all equipment and handing over of the substation bays complete in all respect as per approved scheme and to the satisfaction of the Employer including statutory inspection. iv) The makes of the equipment/components/materials shall be approved by the employer before placement of the order on the vendor/manufacturer. v) The contractor(s) shall arrange power supply for construction of the project. The expenditure for such arrangement till completion of the project shall be to the contractor(s) account. vi) The contractor(s) shall arrange clean water for construction and curing to the civil works. vii) The work as mentioned in the price schedule shall be considered for the evaluation of the bid. viii) The contractor shall arrange for security of all the materials including owner supply materials (handed over to him) that are required for successful completion of the project till final handing over of the entire work to OPTCL. ix) Contractor has to obtain Project License in respect of the projects from the Secretary, Electrical Licencing Board of Orissa at his own cost, prior to commencement of works. x) The contractor shall supply one official copy of each Standard listed in the appropriate schedule. The contractor shall be fully responsible for providing all equipment, material, systems and services which are required to complete the construction and successful commissioning of the works in all respects excepting those specifically excluded under the clause “1.2 - Specific


exclusions” in the chapter “General Clauses”. The Contractor shall also refer to the Technical Specification (Vol.-II), for proper understanding of the works involved in respect of each substation. The scope of work on Turnkey basis includes design, engineering, manufacture, type testing, (factory testing) supply on FOR destination site basis, transportation, handling, storage at site, erection, site testing, commissioning complete in all respects and maintenance of plant and equipment until handing over of works in accordance with Conditions of Contract and the stipulations under various chapters of this specification at the prices stated in the Price Schedule for the following (I) DETAILS ABOUT THE SUB-STATION: Construction of 2X160 MVA, 220/132 KV & 2X20 MVA, 132/33 Grid Sub-station at Karadagadia along with LILO of 220 KV Narendrapur _ Mendhasal Double Circuit Line and LILO of 132 KV Single Circuit Khurda – Balugaon line & LILO of 132 KV Single Circuit Khurda- Puri Line on Multi Circuit Tower with associates system. Name of Proposed S/S

Bus Arrangement

No of Bays in 220 KV side

No of Bays in 132 KV Side

No of Bays in 33 KV Side

220/132/33 KV Sub-station at Karadagadia

2 Main & 1 Transfer Bus Arrangement on 220 kV side. Main and Transfer Bus scheme on 132 kV and 33 kV side.

Feeder:06 Nos. Transformer: 02 Nos. Bus-Coupler: 01 No. Transfer Bus-Coupler: 01 No.

Feeder: 06 Nos. Transformer (Auto): 02 Nos. Transformer (Power): 02 Nos. Bus-Coupler: 01 No.

Feeder: 04 Nos. Transformer: 02 Nos. Bus-Coupler: 01 No.

(ii) DETAILS ABOUT THE TRANSMISSION LINE: 220 KV LILO on both the circuits of Narendrapur-Mendhasal 220 KV existing line to Karadagadia Sub-station. (Both circuits will enter Karadagadia and also emanate from Karadagadia). AAAC Zebra conductor shall be used for the same. Length of the Line: 1.8 Kms.

1. LILO on the existing 132 KV Lines:-(Details as below).

(a) LILO on 132 KV Balugaon – Khurdha existing Single circuit line to Karadagadia Sub -staon on 220 KV Multi circuit Tower designed for ACSR Zebra Conductor but to be drawn with ACSR Panther Conductor.

(b) LILO on 132 Khurdha – Puri existing Single circuit line to Karadagadia sub-station on 220 KV Multi Circuit Tower designed for ACSR Zebra Conductor but to be with ACSR Panther Conductor. The 220 KV Multi Circuit Tower shall be provided from Karadagadi S/S & upto tapping point, where Khurda-Balugaon 132 KV Transmission line as indicated above under (a) is


to be made LILO. The Length of the 220KV Multi circuit Towers from Karadagadia to tapping point will be 10.355 Kms. Then 220 kV Double circuit towers shall be provided after the end location of the Multicircuit Tower up to the tapping point of 132 KV Puri –Khurdha line. The length of the Double circuit tower will be 0.622 Kms. The total length of line including Multi circuit & Double circuit will be (10.355+0.622) = 11 Kms (appox).

A power map of Odisha is enclosed at the end of this chapter to help bidders to locate the proposed work site. 2.1. Substation 2.1.1. Electrical The scope includes but is not limited to i) Supply erection, testing & commissioning of the following equipments:

1. Circuit breakers

2. Isolators

3. Current transformers .

4. Voltage transformers (capacitive and inductive)

5. CT, CVT, IVT console boxes with aluminium alloy having minimum three mm thickness.

6. All out door kiosks/boxes, shall be GI sheet of minimum 2mm thickness with aluminium alloy canopy (rain hood) of 3mm thickness.

7. Surge arresters

8. Post insulators

9. Protection, control, and metering systems

10. PLCC systems : Wave Trap,LMU & LMDU,Coaxial Cable,EPAX,Telephone sets,Fax m/c etc (but Except indoor PLCC Panel)

11. Insulator strings with hardware

12. Busbar, circuit conductor and all conductor accessories. Aluminium IPS tube (220 KV Side only) shall be used for equipment to equipment inter connection this includes Bus Post insulator also. Other interconnection shall be through Moose ACSR .

13. Power and control cables, cabling accessories, cable trays etc. Proper sealing of the cable entry (control & Power) at Control Room building, to prevent water entering from switch yard/outside to CR Building, preventing entry of rats and reptiles, Fire proof etc.

14. AC/DC systems including all distribution boards, battery and charger systems, auxiliary transformers.

15. Air conditioning plant and systems for control room

16. Fire fighting systems and equipment

17. Steel structures for switchyard gantries and portals (lattice type); and equipment (pipe or lattice type) including those for lightning protection.

18. Earthing system and earthing conductors.


19. Testing and maintenance equipment.

20. Lighting of substation area and substation buildings. Illumination and emergency lighting system at different locations.

21. Control and relay panels as proposed.

22. Installation of 220 V battery sets and 48 Volts Battery sets as proposed with suitable Battery chargers for the above batteries.

23. Event logger panel.

24. AC and DC distribution boards as per requirement and as proposed.

25. Bus bar protection scheme (for 220kV bus only).

26. Disturbance recorder with Time synchronization. (GPS)

27. Sub station level PC/Lap top provision for Relay configuration with their software.

28. The scope covers supply, delivery, installation and commissioning of exhaust fans to provide ventilation of Control Room building. Exhaust fans as specified below are to be provided in the following locations of Control Room building above lintel level :

i. Battery Room 8 No. ii. Toilet 1 No. iii. Pantry room 1 No.

The exhaust fans will be having 600 mm. diameter for battery room and 450 mm diameter for the toilet & pantry room., propeller type conforming to IS: 2312 and designed for continuous use. The exact locations of fixing the exhaust fans will be finalized while approving drawing for control room building. The supply voltage of exhaust fans shall be 230 V A.C. depending on rating of the fan. Exhaust fans will be having 4 poles to obtain a speed of 1440 r.p.m,

29. Any other items required for completion of the project are also in the scope of this contract in order to complete the sub-station in all respect.

30. Supply of all clamps, connectors and hardware required for commissioning of the substation. The quantity and rating of the connectors and clamps are dependent on the layout and requirement of the substation.

31. Supply and putting of sub-station illumination system. All the light fittings shall be LED type & these fittings shall be mounted on switch yard portal structures such as columns & beams. No separate lighting mast is required. Entire substation lighting system in the switch yard & colony shall be designed using under ground cables only. No over head conductors are permitted for this purpose. For street lighting one outdoor lighting kiosk with two incomers of 200A rating switch fuse units (SFU) & with six feeders of 32A rating fitted with MCB shall be considered. Similar type of out door kiosk shall be considered for colony power supply with 200A SFU & ten out going feeder of 32A rating fitted with MCB shall be considered

ii) Erection, testing & commissioning of the following equipment: 1. Power transformers /auto transformers


2. Indoor PLCC equipment (PLCC Panels) at both the ends.

iii) Supply Only of the following equipments:

1. Mandatory spares for substation equipment being supplied under this contract as per Bid proposal Sheet( BPS) schedule-3.

2. Maintenance & testing equipment etc as per the list provided in relevant chapter of technical specifications.

2.1.2. Civil works

The design, engineering, supply of all materials including cement and steel, consumables, as per specification and approved drawings for civil works of the substation including but not limited to the following:

1. Designing, fabrication, galvanizing and erection of structures on respective foundations detailed in specification for civil works. Supply of all structural materials (columns & beams, hardware & fasteners etc) as per requirement. The contractor shall preferably adopt OPTCL designed standard structures for use in various substation, the details of which are given at “Clause no 12” of this chapter.

2. Soil testing for soil resistivity and soil bearing capacity before designing.

3. Site development including leveling, filling & compacting of the sub-station area to the desired height.

4. Wherever pile foundations are required for Control room building, switchyard tower columns, Equipment foundation and transmission line towers etc., they have to be constructed as per the guideline indicated in the specification elsewhere. The type of pile foundations can be ascertained only after soil investigation and approval of the same by OPTCL.

5. Construction of sub-station retaining wall with brick masonry and fencing by GI heavy-duty goat mesh fencing as per site requirement.

6. Construction of boundary wall along the property line of the substation with Main gate, security shed and two nos. switch yard gates in the sub-station. Provisions of a security shed near the main gate. The structure shall be RCC framed structure. There shall be provision of electrical illumination facilities.

7. Fencing of switchyard area and other areas like station transformer area.

8. There shall be provision of plantations of fruit bearing plants and water tap provision for watering the plants in the sub-stations.

9. Construction of all foundations for columns, all switchgear such as circuit breakers and isolators, CT’s, CVT’s and other substation equipment such as line traps, post insulator, etc.


10. Construction of foundation of transformer including supply and putting of rail from the service bay to the transformer plinth, all foundations of columns, equipment structures. Separate foundations for the marshalling boxes of the isolators are to be considered.

11. Anti termite treatment of switch yard and colony buildings.

12. Switchyard buildings such as control room, DG set room and. There shall be provision of a water cooler including water purifier inside the control room building. Provision of split type air conditioners inside the control room & PLCC room of Control Room building and conference area.

13. There shall be provision of store shed, one Ramp with winch for lifting the materials and lowering the materials up to 5 MT and open yard platform to store the materials like transformer bushing, CT, CVT and other equipment.

14. New control room building as per technical specification.

15. Supply and spreading of uniform 20mm nominal size HG metal of 100mm thick inside the switch yard area of the Sub- Stations. The spreading will be done above a finished level of switch yard land by plain cement concrete of thickness 75 mm (ratio 1:4:8). Anti weed treatment of the switch yard area to be made as per prevailing practice before spreading of PCC.

16. Construction of drainage system of the sub-stations and the newly constructed quarters & flood water discharge systems. Miscellaneous works like manholes soak pits, RCC trench, fencing, etc. in the switch yard.

17. Construction of rain water harvesting arrangements in the substation.

18. Construction of cable trenches with trays & covers & sump pit with pump, as per requirement.

19. Construction of approach road to the new sub-station as per requirement. Construction of periphery roads inside the fencing. The roads inside the switch yard & at the periphery shall be of 3.75 mtr. wide & the road inside switch yard shall be of concrete road as per technical specification. The other roads main and approach road shall be 7 mtrs wide and shall be bitumen grading.

20. Designing and providing the earth mat and earthing of the sub-station lighting protection, equipment earthing etc. Earth mat shall be designed using 75X10mm GI flat. For lightening protection individual spike not less than 2.5mtrs shall be provided on each column of the switchyard. Water tap provision shall be provided for pouring water into the earth pits constructed inside & around the periphery fence the switchyard. The earthing shall be extended beyond 2 mtrs from the fencing and the fencing earthing are also to be taken care.

21. Boring of two nos. new bore wells at a suitable location including construction of RCC pump house with 5 HP submersible pumps and its control inside the new proposed sub-station area. Making water supply arrangement for the colony and the Substation area


including supply & erection of PVC pipe & its fittings, from pump house to Over head tank & from over head tank to all the distributaries system as per approval of the layouts.

22. Township colony, residential quarters for staff and employees of the Employer including electrification, water supply & other amenities for quarters.

23. Civic amenities for the township including drainage and sewerage systems.

24. All other materials, which the contractor feels to be required for completion of the sub-station.

25. Plantation of fruit bearing and flower bearing plants and gardens in and around the sub-station.

26. Modular Multi-diameter flexible Cable sealing system consisting of frames, blocks and accessories to be installed wherever the electrical / control / communication cables over-ground enter or leave from control room building. Cable sealing to be done with Multi-diameter type flexible modular based sealing blocks of different sizes ( size 20: 4mm to 14.5 mm ,size 30 : 10mm to 25 mm ,size 40: 21.5mm to 34.5mm , size 60: 28mm to 54 mm , size 90: 48mm to 71 mm , size 120 : 67.5mm to 99 mm or any convenient size ) to be provided for simple, easy and quick to assemble & re-assemble. some spare blocks on the frame to be provided with usable Multi-diameter blocks with center plug, so that these spare blocks can be used for expansion in future for wide range of cables, solid blocks should not be used on frame. Cable sealing system should have been type tested for fire / water / smoke tightness and supplier shall have local presence by way of full infrastructure having service support, training support and stocks support and also have necessary sales support for any change / extension in future. Frames & stay-plate material should be galvanized steel and for compression single piece wedge with galvanized steel bolts should be used.

2.2. Transmission lines.

i) Survey & ROW issues

1. Detailed line Survey works as per specification.

2. The contractor shall have to solve the entire right of way problem at his own cost. Contractor shall also resolve the issues related to the tree cutting in the transmission line and sub-station at his own cost. However the details of ROW issues have been indicated in Special Condition of Contract (SCC) –Vol.-1A.

ii) Design & Manufacturing (as applicable), supply, storage, erection, testing & commissioning of following materials

1. Galvanized Structural materials of towers as per requirement. OPTCL adopted standard towers shall preferably be used for the transmission line, the details of which is given at “Clause no.-13” in this chapter. However no standard design is available with OPTCL for multi circuit towers for 132kV line. The bidders shall use their own type tested design for multi circuit towers for 132kV line.

2. Insulators, hard wares.


3. AAAC/ACSR conductors, GI earth wire with accessories etc and their stringing.

4. Commissioning of transmission lines.

5. Any other items required are also in the scope of this contract in order to complete the proposed transmission lines in all respect.

3. Electrical System Data of 400/220/132/33

1. Nominal System Voltage (KV) 220/132/33

2. Highest System Voltage (kV) 245/145/36

3. System Neutral Earthing. Effectively earthed

4. Basic Insulation Level (kVP)

i) Bus 1050/650/170

ii) Equipment other than Transformer 1050/650/170

iii) Transformer 1050/650/170

5. Power Frequency withstand voltage (KV rms) 460/275/80

6. System fault level KA 40/40//25

7. Creepage distance for insulators (mm) 6125/3625/900

8. Min. recommended clearance in air (mm) as per CBIP

i) Phase-to-phase 2100/1300/320

ii) Phase-to-earth 2100/1300/320

iii) Sectional clearance 5000/4000/3000

9. Min. ground clearance (as per IE Rules) 5500/5000/4000

10. Bus configuration for 400/220/132/33 kV

Selection of ACSR conductor shall be Chosen from Moose, Zebra and panther as per requirement and decision of employer.

11. Phase-to-phase distance:

i) Along the bay (mm) 4500//3000/1500

ii) Strung bus (mm) 4500/3000/1500


12. Reference design temperature 50 Deg. Centigrade. Detailed technical particulars of different equipment have been specified in the respective

specifications in the subsequent section. If any technical particulars are missed from this volume the same may please be referred from relevant IS: specification for bidding purpose.

4. Design work

The Bidder shall furnish detailed design of the substation & transmission lines. The design work shall include but not limited to technical calculations, preparation of drawings and bill of materials and specifying equipment not specified in the specification but necessary for the completion of the substation & transmission lines on the turnkey basis. The technical calculation design drawings, etc. shall be submitted to the Employer for approval. However the layout drawing furnished by OPTCL shall be taken as a guide line.

5. Standards

All materials and equipments shall generally comply in all respects with the latest edition of the relevant Indian Standards. International Electro-Technical Commission (IEC) or any other internationally accepted Standard equivalent or better than relevant Indian Standard. Equipment complying with all other authoritative standards such as British, ASA, VDE, etc. will also be considered if performance equivalent or superior to Indian Standard is ensured.

In the event of supply of equipment confirming to any International or internationally recognized Standard other than the Standard listed in the Specification. The salient features of comparison shall be brought out and furnished along with the bid.

In case of adopting any standard other than that IS or IEC, a complete set of adopted standard shall be supplied by the bidder. However it is desirable and preferred that the equipment offered shall comply with one consistent set of standard unless other than exceptional cases.

The equipment shall also comply with the latest revision of Indian Electricity Act and Indian Electricity Rules and any other Electrical Statutory Provision, Rules and Regulations.

6. Reference Drawings

Drawings showing indicating scope of work are enclosed. Drawings are complementary to specifications and shall be referred to for better understanding as well as for estimation of quantities and bill of materials for arising at lump sum bid price on turnkey basis.


The bidder shall submit with the tender, plan of the substation showing broadly the scope of work incorporated as per technical specification. All the drawings shall be submitted in quadruplicate, enumerated in conformity with relevant clause stipulated in the Technical Section.

These drawings shall show proposed layout plan with section. Drawings showing overall dimension, clearance etc. required for assembling and dismantling and space requirements of all the apparatus are to be supplied to enable the Employer to examine the design and layout at the installation.

7. Packing and Marking

The bidder shall include and provide for securely protecting and packing the plant so as to avoid damage in transit under proper condition and shall be responsible for all loss or damage caused by any defect in packing.

Large and heavy items such as 220 kV, 132 kV and 33 KV equipment and structural steel shall be packed and shipped as per standard international practice.

Container/Cartoons, boxes, trunks and other packages shall be strong and sturdy in construction to withstand Ocean shipping, loading and unloading, transport on rough roads, and storage in tropical area and hauling and handling during erection etc. Boxes and packages shall also be protected by suitable packing with the help of wooden planks/MS frame or galvanized steel strips. A layer of waterproof material shall be provided inside the cartoon/boxes/packages to protect the equipment from water seepage and to avoid rust. The following information shall be marked on the container/boxes/packages etc.

a. Contractor’s/manufacturer’s name, project title and contract reference.

b. Plant/accessory identification No. and title.

c. Net/gross weight.

d. Employer’s name with other dispatch particulars such as destination.

The employer shall take no responsibility for any damage done to the plant on route to the site of work or place of delivery whichever is applicable.

8. Tests

i) Unless otherwise specified in respective section, all equipment shall be subjected routine, acceptance and type test as covered and specified in any standard in presence of the authorized representative of the employer.

ii) Bidder shall submit type test report from a recognized laboratory along with the bid.

iii) At least 15 days advance notice shall be given by the contractor to the employer for witness the tests.


9. Compliance to IE rule 1956

i) The construction agency shall posses a safety manual duly approved by competent authority in the Govt. of his State Governing the safety in work by the personnel and staff.

ii) The agency shall possess valid contractor’s license issued by the Electrical Licensing Board of Odisha (ELBO) failing which he will not be allowed to start the work.

iii) Supervisors of works shall posses appropriate valid supervisory certificate of competency issued ELBO, Odisha.

iv) At least 50% of electrical workmen employed in the project shall posses valid workmen permit by ELBO.


10. The Contractor has to follow submission of drawings, data, document as per the format given below.

Post Order Final Document

Sl. No. Description With Bids For

Review For Records

Transparency

Prints (Photostat)

Electronic

1. Switchyard single line diagram i 2. Switchyard layout,

plan, section & placement of various equipment

3. Switchyard earthing and lightning protection calculations.

4. Battery, battery charger, DCDB sizing calculations.

5. Switchyard lighting calculations 6. Switchyard earthing

and lightning layout.

7. Switchyard lighting layout.

8. Switchyard ,control room equipment and cable layout.

9. Switchyard clamps and connector details.

10. Relay, metering and control panel block logic diagram.

11. Control panel schematic drawings.

12. Logic for castle key interlock between breaker and isolator.

13. Relay, metering & Control panel and ACDB,DCDB GA drawings.

14. Switchyard equipment GA drawings and control schematics.

15. Cable schedule. 16. Interconnection

diagrams.

17. Relay setting calculations and Coordination drawings.

18. SLDs of ACDB and DCDB.

19. Soak pit and waste


Post Order Final Document

Sl. No. Description With Bids For

Review For Records

Transparency

Prints (Photostat)

Electronic

oil pit layout and sizing calculation.

20. Structural design calculations super structures.

21. Civil drawings for foundation and cable trenches.

22. Structural fabrication drawings of equipments gantries etc.

23. Filled in equipment data sheets as per enclosed format.

24. Complete literature, leaflets for all equipments.

25. Operational/ maintenance manual.

26. Deviation schedule w.r.t. a) Specification b) Document/ attachments.

27. List of spare parts for each major equipment.

28. List of special tools and tackles.

29. List of sub-vendors. 30. QA plan of vendor 31. Installation operating

and maintenance instruction.

32. Inspection Plan and Testing Procedure.

33. Test Records. 34. List of commissioning/

maintenance spares.

35. Data Book/Manual a)Installation Manual b) Operating/Mainte- nance. c)Catalogues/ Brochures.

11. Minimum clearance for substation design shall be as per details given in

the table below.


Highest system voltage (kV)

Insulation level (kVP)

Switching Impulse Voltage (KVP)

Sectional Clearance (mm)

Minimum clearance Ground Clearance (mm)

Between phase & ground

Between phases

36KV 170 - 3000 320 320 3700 145KV 650 - 4000 1300 1300 4600 245KV 1050 - 5000 2100 2100 5500


12. OPTCL adopted standard switch yard structure:

The bidders may adopt their own type tested design for switchyard structures with approval from OPTCL. However the standard switch yard structures adopted in OPTCL switch yards system in different voltage levels are given below.


A 220 KV SIDE:

1. COLUMN: P1S TYPE,- HEIGHT-21.5 MTRS,WEIGHT-4.464MT 2. BEAM:Q1 TYPE,-LENGTH-18 MTRS, WEIGHT-1.473MT

B 132 KV SIDE:

1. COLUMN: T1S TYPE,- HEIGHT-15 MTRS,-WEIGHT-1.193 MT

2. COLUMN: T4S TYPE,-HEIGHT-11 MTRS,-WEIGHT-0.924 MT

3. BEAM:G1 TYPE,-LENGTH-10.4 MTRS,-WEIGHT-0.613 MT

4. BEAM:G2 TYPE,-LENGTH-14.9875 MTRS,-WEIGHT-0.906 MT

5. BEAM:G1X TYPE,-LENGTH-10.4 MTRS,-WEIGHT-1.370 MT

6. BEAM:G1,2 TYPE,-LENGTH-10.4 MTRS,-WEIGHT-1.25 MT

C 33 KV SIDE:

1. COLUMN: T8S TYPE,- HEIGHT-10.5 MTRS,WEIGHT- 0.777 MT

2. COLUMN: T9S TYPE,-HEIGHT-7.5 MTRS,WEIGHT - 0.592 MT

3. BEAM:G4 TYPE,-LENGTH-5.5 MTRS,WEIGHT-0.306 MT

4. BEAM:G4X TYPE,-LENGTH-5.5 MTRS,WEIGHT-0.306 MT 5. BEAM:G6 TYPE,-LENGTH- MTRS,WEIGHT-7.25 MT

D THE BAY WIDTH OF DIFFERENT VOLTAGE LEVEL ARE AS BELOW

1. 220 KV SYSTEM SHALL BE 18 MTRS 2. 132 KV SYSTEM SHALL BE 10.4/13.1MTRS. 3. 33 KV SYSTEM SHALL BE 5.5 MTRS

13. OPTCL adopted standard Tower structure for transmission line: The contractor may adopt their own type tested design for transmission line structures/towers with approval from OPTCL. However the standard tower structures adopted in OPTCL for different voltage levels are given below.

A. 132 KV Transmission line. (i) “PA” type: Unit weight: 3.430 MT.

(ii) + 3 mtrs: Unit weight: 0.537 MT.

(iii) + 6 mtrs: Unit weight: 1.349MT.

(iv) “PB” type: Unit weight: 4.973 MT.

(v) + 3 mtrs: Unit weight: 1.018 MT.

(vi) + 6 mtrs: Unit weight: 2.104 MT.

(vii) “PC” type: Unit weight: 6.214 MT.

(viii) + 3 mtrs: Unit weight: 1.119 MT.

(ix) + 6 mtrs: Unit weight: 2.342 MT.

(x) Templates for PA- Unit weight: 0.665 MT

(xi) Templates for PB- Unit weight: 0.602 MT


(xii) Templates for PC- Unit weight: 1.904 MT

B. 220 KV Transmission line. (i) “OA” type: Unit weight: 4.351 MT.

(ii) + 3 mtrs: Unit weight: 0.727 MT.

(iii) + 6 mtrs: Unit weight: 1.448 MT.

(iv) “OB” type: Unit weight: 7.574 MT.

(v) + 3 mtrs: Unit weight: 1.305 MT.

(vi) + 6 mtrs: Unit weight: 2.242 MT.

(vii) “OC” type: Unit weight: 9.839 MT.

(viii) + 3 mtrs: Unit weight: 1.436 MT.

(ix) + 6 mtrs: Unit weight: 2.599 MT.

(x) +15 mtrs: Unit weight: 6.670 MT

(xi) “UR” : Unit weight: 13.585 MT.

(xii) “UR” + 3 mtrs type: Unit weight: 17.316 MT.

(xiii) “UR” + 6 mtrs type: Unit weight: 4.249 MT.

(xiv) Templates for OA- Unit weight: 0.597 MT

(xv) Templates for OB- Unit weight: 0.815 MT

(xvi) Templates for OC- Unit weight: 1.172 MT

(xvii) Templates for UR- Unit weight: 1.509 MT

C. No. of Bolts & Nuts used in each of the Tower

Type of Tower

Normal +3 mtrs +6 mtrs

PA 1002 142 276 PB 1097 273 542 PC 1654 313 592 OA 1147 180 228 OB 1299 236 372 OC 1877 254 402 UR 2283 357 588


14. Approved Make of Equipment & Materials to be used in the Sub-station

and Transmission lines.

The following make of the equipments & materials shall be supplied with prior

approval from OPTCL.

1. Breakers- Areva /Siemens /ABB/ Crompton /BHEL.(SF6 for 245 & 145 KV & VCB for

36 KV)

2. CT,IVT&CVT- Areva /Siemens/ABB/ Compton/ BHEL.

3. Surge Arrester- Areva /CGL/Oblum.

4. CR Panels-Siemens/ Areva/ABB.

5. Battery and charger- Exide for Battery, Caldyne for Charger

6. Isolator- ABB/Siemens/Switch gear and structural /GR Power/Areva .

7. Station transformer-Areva / Crompton

8. Hardware fittings-Rashtriya Udhyog / Eritech /IAC.

9. Conductors- APAR/Gupta Cables/ Hightech Powercon / Eritech / Cabcon / Sterlite

10. Fire fighting: Mini Max, Cease Fire.

11. Lighting fixtures: Philips, Bajaj, CGL.

12. Wave trap: BPL, ABB, AREVA.

13. Tower Structure: Either from the OPTCL Rate contract holders or from Reputed make

approved/to be approved by OPTCL

14. PVC insulated Control and XLPE insulated Power cable- Nicco, Gloster, CCI, KEI,

Crystal, Poly Cab

15. Insulators: BHEL, WS, MGK Birla, Modern Insulator

16. Earth Wire: Bharat Wire ropes, Usha Martin, UIC Wires.

17. Cement: OPC Grade 43: ACC, Ultra Tech, Lafarge,Konark

18. Steel: SAIL, TISCO (TATA), RINL

19. GI Pipe(Heavy duty): TATA, JINDAL


20. Air Conditioners(Five Star rated for energy efficient): Hitachi, Carrier, Blue

Star,Voltas.

21. PVC wires (FRLS type): L&T, Finolex,Anchor,KDK

22. All Switches-Anchor/ABB/ Cona/Havels/ Indo Asian

23. All MCB-L&T(Hager)/MDS/ indo Asian

24. ACB and MCCB-L&T, Siemens/Merlin Gerin

25. ACDB,DCDB,BMK,Console Boxes Etc: Maktel System/Sarvana/Any other reputed make(adopted by PGCIL) to be approved by OPTCL 26. All Clamps and Connectors- Heavy duty type of reputed make to be approved by OPTCL.

27. All Civil Engineering Materials- reputed make to be approved by OPTCL.

28. Foundation Bolts- Reputed make to be approved by OPTCL

29. GI Bolts and Nuts-Nexo or reputed make to be approved by OPTCL

Any other items required for completion of the project shall be considered as included &

the make of such items shall be subject to approval by OPTCL and make shall be of

OPTCL technically approved vendor.


15. Portable Fire Extinguisher : (ANNEXURE-I) Portable fire extinguishers of the following types shall be supplied to each sub-station.

Quantity Required Sl No

Description of Items

Unit capacity At each 132/33 kV S/S

At each 220/132/33 kV S/S

At each 220/33 kV S/S

1 Foam Type Nos 9 ltrs 2 4 4 2 Dry chemical

Powder Type(Trolley mounted)

Nos 22.5 Kgs 2 4 2

3 Dry Powder Type

Nos 5 Kgs 2 4 2

4 Carbon dioxide (CO2

Nos 9Kgs 5 10 5

5 Carbon Dioxide (CO2)

Nos 4.5Kgs 5 10 5

6 Carbon dioxide (CO2) Trolley mounted

Nos 22.5 Kgs 2 4 2

7 Fire bucket with (a set comprises of six nos Bucket in each stand & one stand )

Set 3 5 3

The quantities are indicative. Bidders are advised to design as per the requirement.


16. Maintenance & Testing Equipment: (ANNEXURE-II) Maintenance & testing equipment shall be supplied & installed for each substation as per the list given below.

Quantity Required Srl. No

Description of Items Unit At each 132/33 KV S/S

At each 220/132/33 KV S/S

At each 220/33 KV S/S

1. 100 kv transformer oil breakdown voltage test set

Nos 1 1 1

2. Insulation resistance tester (megger) Nos 1 1 1 3. Oil sampling bottle Nos 4 4 4 4. SF6 gas leak detector Nos 1 1 1 5. LCD, digital multimeter Nos 2 2 2 6. Analogue Multimeter(features same as

digital multimeter) Nos 1 2 1

7. LCD, clamp on meter Nos 2 2 2 8. Digital earth tester

Nos 1 1 1

9. Discharge rod as per standard for carrying out the switch yard maintenance work

Nos 6 6 6

10 Rubber gloves of operation of isolators and earth switch

Pairs 2 2 2

11. Relay tools kit Sets 1 1 1 12. Portable emergency light Nos 4 4 4 13. Latest version desktop PC of reputed

make with all its accessories including CPU, Monitor, UPS and having all latest loaded software and also its back up in shape of CD and separate pen drive . Suitable for loading of software as recommended by the relay manufacturer. It includes supply of one no portable laser printer of reputed make. Make of PC and printer: HP/DELL

Set 1 1 1

** The multimeters (both digital and analogue), clamp on meters, earth tester shall of “Motwane” make. Prior approvals of OPTCL for all the testing equipments are to be taken.


17. Other Tools and Plants (T&P’s) Requirement: (ANNEXURE-III) Following T&P’s of reputed make shall be supplied & installed at each substation.

Quantity Required Sl No Description of Items unit




1 Set of “D” spanner(6mm – 42mm) Set 1 1 1 2 Set of “Ring” spanner(6mm – 42mm) Set 1 1 1 3 Socket wrench with sockets, handles,

and other attachment(6mm-42mm) Set 1 1 1

4 Insulated cutting plier Nos 2 2 2 5 Insulated nose plier Nos 2 2 2 6 Monkey plier Nos 1 1 1 7 Circlip plier Nos 1 1 1 8 Pipe wrench

a)12 inch – 1 no b)18 inch – 1 no

Set

1 1 1

9 Sly wrench a)12inch – 2 nos b)18inch – 1 no

Set

1 1 1

Insulated handle screw drivers of different sizes as per required a)12inch plain head – 2 nos b)8inch plain head – 2 nos c) 12inch star head – 1 no d) small size6inch plain and star head – 2 each e)Complete set of different head in one box/set -1set

Set 1 1 1

11 “L”-N keys set of different sizes in one box/set

Set 1 1 1

12 M.S Files(12inch and 6inch sizes) Round files and flat files-one each of different sizes)

set 1 1 1

13 Hammar with handle a)1 lb – 2 nos b)1/2 lb-2 nos c)2 lb-1 no

Set 1 1 1

14 Crow bar a)5 ft – 2nos b)3ft-2 nos

set 1 1 1

15 Steel scale(12inch) Nos 2 2 2 16 Steel tape

a)5 mtrs-2 nos b)30mtrs-1 no

Set 1 1 1

17 Oil cane Nos 2 2 2 18 Spirit level (8inch) No 2 2 2 19 Plumb head with string and attachment No 1 1 1 20 Maintenance safety belt with all

attachment and helmets(complete one Set 3 4 3


Quantity Required Sl No Description of Items unit




set) 21 Hand drill machine with different bits

and key.(Wolf make) No 1 1 1

22 Vacuum cleaner having hot blower provision with all attachments (Eureka Forbes make)

No 1 1 1

23 230-250VAC,80W,450mm sweep,1400 rpm stand(rugged) FAN Make: Almonard,CGL

No 2 4 2

** T&P’s shall be of Taparia/Geodre make. The hand drill and vacuum cleaner shall be wolf and Eureka Forbes make.


18. Office Furniture: (ANNEXURE-IV)

Office furniture shall be supplied & installed at each substation as per the list given below. All the furniture shall be of Godrej make. Before supply of the furniture to the sub-station, approval from OPTCL is required. Details of the scope of supply are as indicated below.

Quantity Required Sl No Description of Items unit At each 132/33 KV S/S



1 5ftX3ft executive table with drawer both sides

Nos 5 6 5

2 3ftX2&1/2ft Table with one side drawer

Nos 7 8 7

3 Computer table suitable keeping monitor, CPU,UPS and printer with two nos revolving arm chair suitable for computer use.

Set 1 1 1

4 Executive revolving ,adjustable(height) chairs with arm

Nos 5 6 5

5 Cushion fixed “S” type steel chairs with arm

Nos 18 24 18

6 6ftX3ft conference table Nos 1 1 1 7 Cushion arm steel chairs for

conference table purpose Nos 6 8 6

8 6ft height steel almirah (only with selves) for keeping records and other valuable items

Nos 4 6 4

9 6ft height steel almirah with glass doors for library purpose

Nos 2 2 2

10 6ft height (having minimum 6 lockers facility) steel cupboard with locking arrangement

Nos 2 2 2

11 4ft steel rack (minimum three selves) for keeping the files and other items

Nos 8 10 8

19. PORTABLE ALUMINIUM LADDER EXTENDABLE TYPE OF 3m+ 3mTO BE USED FOR MAINTENANCE OF EQUIPMENT INSIDE SWITCH YARD. Heavy duty Two fold with sliding feature aluminium ladder to be used for the maintenance work equipment in the switch yard( 220 KV,132 KV & 33 KV: Breaker, CT, CVT, Isolators etc) & also street lighting maintenance. Each fold will be of minimum height of 3 Mtrs and should have better locking arrangement between each folds for better rigidity.


20. PEDESTAL MOUNTED WHEEL FITTED DERRICK FOR LIFTING/ LOWERING OF MATERIALS UP TO 1.5 TON CAPACITY. Heavy duty Pedestal mounted wheel fitted derrick for lifting/ lowering of materials up to 1.5 ton capacity to be used for the maintenance work equipment in the switch yard( 220 KV,132 KV & 33 KV: Breaker, CT, CVT, Isolators etc) & also other maintenance works. The height of the derrick will be suitable for lowering of the top pole of the circuit breaker up to 220 KV and other equipments upto 220 KV.

FDR-1 FDR-2 FDR-3 FDR-4 FDR-5 FDR-6

BUS PT Bus Transfer Bay220 KV BUS 1

BUS PT220 KV BUS 2

220 KV BAYSFDR 6 NOSTFR 2 NOSTBC 1 NOBC 1 NO B/C Bay

220 KV TRANSFER BUS

FDR-1 FDR-2 FDR-3 220/132KV 220/132KV160 MVA AT-1 160 MVA AT-2 FDR-4 FDR-5 FDR-6

BUS IVT

132 KV MAIN BUS

132 KV BAYSFDR 06 NOSTFR 04 NOS B/C 01 NO

132 KV RESERVE BUSBUS COUPLER

SLD FOR 220/132/33kV SUB-STATION AT KARADAGADIA

Page 1 of 12

20MVA,

132/33kV 20MVA, 132/33kV

BUSIVT PVC CABLE

33 KV BAYS 33kV MAIN BUSFDR 04 NOSTFR 02 NOS PVC CABLEB/C 01 NO

AB SW HG FUSE STN TFR33/0.4KV250KVA

33kV RESERVE BUSB/C Bay

F1 F2 F3 F4

SLD FOR 220/132/33kV SUB-STATION AT KARADAGADIA

Page 2 of 12

220/132/33kV SUB-STATION AT KARADAGADIA

SYMBOLS USED

SURGE ARRESTORAUTO TRANSFORMER

WAVE TRAP

CURRENT TRANSFORMER POWER TRANSFORMER

IND VOLTAGE TRANSFORMER SAPVC CABLE STATION AUXILIARY SYSTEM

CAP VOLTAGE TRANSFORMER AB SWI HG FUSE STN TFR CABLE

ISOLATOR

EARTH SWITCH

CKT BKR

Page 3 of 12

220/132/33 KV SUB STATION, KARADAGADIA

STRACTURAL LAYOUT

R O A D R O A D R O A D

220 KV SIDE18 18 18 18 18 18 18 18 18 18

P1S P1S P1S P1S P1S P1S P1S P1S

Q1S Q1S Q1S Q1S Q1S Q1S

R Q1S Q1S Q1S 18

OP1S P1S P1S

DA

Q1S Q1S Q1S 18D

P1S P1S P1S P1SP1S

Q1S Q1S Q1S Q1S Q1S Q1S

R O A D R O A D R O A D

P1SP1S P1S P1S P1S

R 18 Q1S Q1S 18

O P1S P1S P1S P1S P1S P1S P1S

P1SA Q1S Q1S Q1S Q1S

18 18 18 18 18 18 18 1812

D 220/132/33KV 220/132/33KV160 MVA AT-1 160 MVA AT-2

618 18

P1S P1S P1S P1S

12R O A D R O A D

Page 4 of 12

* ALL THE DIMENSIONS ARE IN MTRS220/132/33 KV SUB STATION, KARADAGADIA

STRACTURAL LAYOUT

10.4 10.4 10.4 10.4 13.1 10.4 13.1 10.4 10.4 10.4 10.4T1S T1S T1S T1S T1S T1S T1S

132 KV SIDE T1S T1S T1S T1S G1X T1S G1X

G1 T1S G1 G114.9875 10.4 G1 G1 14.9875 R

G2 G2 G2R G2 T4S T4S

T4S T4S T4S T4S O

O14.9875 T4S 14.9875 A

G2 G2 G2A G2 G1

G1 G1X G1X G1 G1 D T1S

D T1S T1S T1S T1S T1S TIS T1S T1S T1S T1S T1S T1S T1S8.4

20MVA, 20MVA, 132/33kV 132/33kV

3.5 G1,2 G1,2

T1S TIS T1S T1S10.4 10.4 4.5

R O A DR

4.5 T9S 4.5O T9S T9S T9S R

A 5.5 5.5 OG4X G4X G4X G4X

D T9S T9S T9S T9S A

7.05 7.05 D 33 KV SIDE T8S G4 G4 G4 T8S T8S G4 G4 G4 T8S

R T8S G6

O 7.25 G6 G6 T8S T8S 7.25 T9S T9S

A T9S5.5 5.5 5.5

D 5.5

R O A D R O A D* ALL THE DIMENSIONS ARE IN MTRS

Transformer

Transformer

Page 5 of 12

220/132/33kV SUB-STATION AT KARADAGADIA

OTHER IMPORTANT INFORMATIONSSCOPE OF WORK ► 220kV BUS CONDUCTOR- BUS1,BUS 2-- TWIN ACSR MOOSE

► 220kV BUS CONDUCTOR- TRANSFER-- SINNGLE ACSR MOOSE► 220KV Feeder bay -6Nos. ► 132kV Feeder bay -6Nos. ► BUS CONFIGURATION: TWO MAIN & ONE TRANSFER BUS SYSTEM.► 220kV Transformer Bay- 2 Nos. ► 132kV Transformer Bay- 4 Nos. ► 132kV BUS CONDUCTOR- MAIN-- TWIN ACSR MOOSE► 220kV Bus Couplar Bay-1 No. ► 132kV Bus Couplar Bay-1 No. ► 132kV BUS CONDUCTOR- RESERVE-- SINNGLE ACSR MOOSE► 220kV Transfer Bus Couplar Bay-1 No. ► 132/33kV, 20 MVA-2 No ► BUS CONFIGURATION: MAIN & TRANSFER BUS SYSTEM.► 220/132/33 KV ,160 MVA TFR:02 Nos only erection testing & commissioning ► 33kV BUS CONDUCTOR- MAIN-- TWIN ACSR MOOSE

only erection testing & commissioning ► 33kV Feeder bay -4Nos. ► 33kV BUS CONDUCTOR- RESERVE-- SINNGLE ACSR MOOSE► 33kV Transformer Bay- 2 Nos. ► BUS CONFIGURATION: MAIN & TRANSFER BUS SYSTEM.► 33kV Bus Couplar Bay-1 No. ► 4” AL TUBE Shall be used for equipment to equipment connection

For 220 KV side only.REQUIREMENT OF EQUIPMENT/MATERIALS220 KV EQUIPMENTS / MATERIALS 132kV EQUIPMENTS / MATERIALS 33kV EQUIPMENTS / MATERIALSSl No. Items Qty Sl No. Items Qty Sl No. Items Qty

1 SF6 Circuit Breake 10 1 SF6 Circuit Breake 11 1 Vaccum C Breaker 72 Current Transforme 33 2 Current Transforme 33 2 Current Transforme 213 CVT 18 3 CVT 18 3 IVT 34 IVT 6 4 IVT 3 4 Surge Arrester 245 Surge Arrester 24 5 Surge Arrester 30 5 BPI 126 Wave Trap 12 6 Wave Trap 12 6 SI w/o ES 67 BPI 93 7 BPI 32 7 DI w/o ES 28 SI w/o ES 11 8 SI w/o ES 14+2=16 8 DI with ES 29 SI with ES 11 9 DI w/o ES 4 9 SI with BM 2

10 Tandem Isolator 17 10 DI with ES 8 10 NCT 2+4=6 For Tfr11 D Ten Insulator str 48 11 D Ten Insulator str 30 11 D Ten Insulator str 1812 S.Ten Insulator stri 132 12 S.Ten Insulator stri 66 12 S.Ten Insulator stri 4213 Sus Insulator string 54 13 Sus Insulator string 66 13 Sus Insulator string 3314 BMK 10 14 BMK 6 14 BMK 215 Lighting Board 2 15 Lighting Board 1 15 Lighting Board 116 Receptical Board 2 16 Receptical Board 2 16 Receptical Board 117 Receptical Tfr oil fi 1 17 Receptical Tfr oil fi 1 17 T9S 1118 P1S 49 18 T1S 28 18 T8S 819 Q1S 44 19 T4S 7 19 G4 6

20 G1 19 20 G4X 421 G2 8 21 G6 322 G1,2 2 22 STATION TRANSFORMER (33KV/0.43KV)23 G1X 4 22.1 250 KVA STN TFR 2

22.2 HG FUSE SET 222.3 AB Switch 2 set22.4 Surge Arrester 6

Page 6 of 12

Sub-LDC,BBSR

SCHEMATIC LAYOUT FOR SPEECH,PROTECTION & DATA CONNECTIVITY RELATED TO LILO OF 220 KV NARENDRAPUR-MENDHASAL AT KARODGADIA

MENDHASAL KARODGADIA

RTU

FCBC(75A)

48V/300AHBATT

LMULMDU LMDU LMU

R A MUXC 1511 BA

STALLION MODULE

CFE-1

SPLITTER STALLION MODULE

CFE-2

OPTCL'S EXISTING

WIDEBAND NETWORK

M R U AX C1511BA

PLCC F# Ch1 S Data K # Ch2 Prot.

F PLCCS # Ch1K Data # Ch2 Sp+Prot.

CVT

WT

WT

LMDU LMU

NARENDRAPUR

PLCC # Ch1 Prot. # Ch2N.Pur-MendhasalSpeech

LMDU LMU

WT

WT

CVT CVTCVT

PLCC # Ch1 Prot.

# Ch2N.Pur-Mendhasal Speech

GENERAL MANAGERTELECOMMUNICATION

PLCC(SC)ETL-41

Existing

PLCC(SC)ETL-41

Existing

*Marked existing PLCC sets working at Narendrapur are to be shifted to Karodgadia

WT

WT

LMULMDU LMULMDU LMULMDULMULMDU

Ckt-I

Ckt-II

Ckt-I

Ckt-II

PLCC(TC)BPL

Existing

PLCC(SC)BPL

Existing

PLCC(SC)BPL

Existing

PLCC(TC)BPL

Existing

PLCC(SC)BPL

Existing

PLCC(SC)BPL

Existing

* * *

*

RY

BR

YB

R

CVT

SCHEMATIC LAYOUT FOR SPEECH,PROTECTION & DATA CONNECTIVITY RELATED TO 132 KV KHURDA-BALUGAON SC LINE LILO AT KARODGADIA

KHURDA KARODGADIA

FCBC(75A)

48V/300AHBATT

LMDULMULMDU

Y

B

132kV

PLCC # Ch1 Speech # Ch2 Data

PLCC# Ch1 Speech # Ch2Data

LMU

CHANDPUR

PLCC # Ch1 Sp+Balugaon Data # Ch2SpeechProt.

WT

WT

CVTCVT

PLCC # Ch1 Balugaon Data# Ch2Speech


PLCC # Ch1 Speech/dialling

# Ch2Data

BALUGAONWT

WT

WT

WT

CVT

LMDU

CVT

PLCC # Ch1 Speech/dialling

# Ch2Data

LMU LMDU LMU LMU LMU LMDULMDU

WT

R WT R WT

YB WT WT

CVT CVT

* *

SCHEMATIC LAYOUT FOR SPEECH,PROTECTION & DATA CONNECTIVITY RELATED TO LILO OF 132 KV KHURDA-PURI AT KARODGADIA

CHANDAKA KHURDA KARODGADIA

FCBC(75A)

48V/300AHBATT

LMULMDU LMDU LMULMULMDLMU LMDU

YB

RY

B

132kV

PLCC # Ch1 Sp+Data # Ch2 Dialling

PLCC# Ch1 Sp+Data # Ch2Dialling

PLCC

(Existing)

CVTCVT

WT

WT

LMU LMDU

SAMUKA

PLCC # Ch1 Sp+Puri Data # Ch2Dialling

LMDU LMU

WT

WT

CVT CVTCVT

PLCC # Ch1 Sp+Puri Data# Ch2Dialling


EPBAX

LMDU


PURIWT

WT

WT

WT

CVT

LMULMDU LMU

CVT


PLCC

(Existing)

* Marked carrier sets are already existing

PUNCOM PUNCOM

GUARANTEED TECHNICAL PARTCULARS

(TO BE FILLED AND SUBMITTED BY BIDDERS WITH

THE TECHNICAL BID)

NESCL/OPTCL/CS-OS-619-01 GTP- Page 1 of 195

GUARANTEED TECHNICAL PARTICULARS

IVT AND CVT


GUARANTEED TECHNICAL PARTICULARS. Sl. No.

Description. 220KV IVT

132KV IVT

33KV IVT 400 KV/220KV CVT

132KV CVT

3P/0.2 Accuracy Class


0.2 Accuracy Class

3P/3P/0.2 Accuracy Class.


1 Bidder’s name and address. 2 Name and address of the Manufacturer. 3 Manufacturer’s type and designation. 4 Standards applicable. 5 Type of IVT/CVT 6 Rated primary voltage (kv). 7 Rated secondary voltage (volts). 7.1 Winding-I. 7.2 Winding-II. 7.3 Winding-III. 8 Rated frequency [HZ]. 9 Rated burden:-

Protection Winding Protection Winding Metering Winding

10 Number of secondary windings. 11 Accuracy class. [I] [protection] Winding [II] [metering] Winding 12 Rated voltage factor for continuous

operation at rated frequency.

13 Rated voltage factor for 30 seconds at rated frequency.

14 One minute dry and wet power frequency withstand voltage for primary side [kv] rms.

15 One minute power frequency withstand voltage for secondary winding [kv] rms.

16 1.2/50 micro- second impulse withstand test voltage for primary side

17 Temperature rise over an ambient temperature of 50°C

[a] With 1.2 times rated primary voltage at rated frequency and at rated burdens. [I] Winding [°C] [II] Oil [°C] [III] Other parts [°C]

[b] With 1.5 times rated primary voltage for 30 seconds at rated frequency and at rated burdens.


Sl. No.


132KV IVT


132KV CVT



0.2 Accuracy Class



[I] Winding [°C] [II] Oil [°C] [III] Other parts [°C]

18 Class of insulation.

19 Total creepage distance in (mm) 20 Maximum radio interference voltage at

1.1 times maximum line to ground voltage (micro volts)

21 Corona inception and extinction voltage (kv) rms

22 Partial discharge level (piccocoulombs) 23 Primary.[For 220KV, 132KV & 33KV

IVT] (a) No. of primary turns (b) Material of primary (c) Size of the primary conductor

bare/insulated. (d) Cross sectional area of primary

conductor (sq.mm) (e) Current density adopted for primary

winding(A/sq.mm) (f) Type of primary winding. (g) Name of the insulating materials

used for primary conductor. (h) Weight of primary winding.

24 Secondary. [For 220KV, 132KV & 33KV IVT] (a)No. of secondary turns (b) Material of secondary © Size of the secondary conductor bare /insulated. (d)Cross sectional area of secondary conductor (mm2) (e)Current density adopted for secondary winding(A/mm2) (f)Type of secondary winding (g)Name of the insulating materials used for secondary conductor. (h)Weight of secondary winding.

25. Core. [For 220KV, 132KV & 33KV IVT] (a)Shape of the core


Sl. No.


132KV IVT


132KV CVT



0.2 Accuracy Class



(b)Material and grade of the core laminations (c)Thickness of the core lamination (mm) (d)Maximum flux density adopted (Tesla) (e)Net iron area of the core (f)Watt loss/kg. for the core materials at the operating flux density(W/kg) (g) Total weight of the core(kg) (h)Whether B-H curve for core material enclosed? (i)Whether specific loss vrs. Flux density curve enclosed ?

26 INSULATION. .[For 220KV, 132KV & 33KV IVT] (a) Insulation between core and secondaries. (b) Insulation between secondaries. © Insulation between secondary and primary. (d) Insulation between primary .and core.

27 DIMENSIONS OF CORE AND WINDINGS. .[For 220KV, 132KV & 33KV IVT] (a)Diameter of the core (mm) (b)Inner diameter of the secondary windings(mm) (c) Outer diameter of the secondary windings (mm) (d) Inner diameter of the primary winding(mm) (e) Outer diameter of the primary winding(mm) (f) Minimum clearance from primary winding to tank(mm) (g) Minimum clearance from secondary winding to tank(mm)

28. Percentage voltage ratio (error)/phase displacement (min.)at 100% rated burden at 0.8PF lagging for measuring winding. (a) 80% of rated voltage at frequency:- (b) 120% of rated voltage at

frequency:-

, .


Sl. No.


132KV IVT


132KV CVT



0.2 Accuracy Class



(c) Accuracy of standard PT to be used. during determination of errors (0.05 or better.

29. Percentage Voltage ratio /phase displacement (min.)at 25% rated burden at 0.8PF lagging for measuring winding. (a) 80% of rated voltage at rated

frequency:- (b) 120% of rated voltage at rated

frequency:-

.

30. Percentage voltage (ratio)error /phase displacement (min.) at 100% rated burden at 0.8PF lagging for protection winding (a)5% of rated voltage. (b)1.2 times rated voltage ( c)1.5 times rated voltage (d) 2% of rated voltage..

31. Percentage voltage (ratio) error /phase displacement (min) at 25% of rated burden at 0.8PF lagging for protection winding (a)5% of rated voltage (b)1.2 times rated voltage. ©1.5 times rated voltage. (d) 2% of rated voltage.

32. Whether IVT/CVT is suitable for horizontal transportation.

33. Quantity of oil per IVT/ CVT (Ltrs/kg) 34. Standard to which oil conforms. 35. Characteristic of oil(Prior to filling) 35.1.

Breakdown voltage (kv-rms)

35.2.

Dielectric dissipation constant tan delta)

35.3

Water content(PPM)

35.4

Gas content(PPM)

35.5

Interfacial tension at 27 degree C(N/m)

35.6

Specific resistance.

35. At 90 deg.C(ohm-cm)


Sl. No.


132KV IVT


132KV CVT



0.2 Accuracy Class



6.1 35.6.2

At 27 deg.C(ohm-cm)

36. Whether IVTS are hermetically sealed ? If so how ?

37. Total Weight (kg) 38. Transport weight (kg) 39. Dimensional details. 40 Whether IVT characteristic curves

enclosed?

41. TANK AND SECONDARY TERMINAL BOX.

41.1

Material of the IVT/ CVT tank

41.2

Material of the secondary terminal box.

41.3

Thickness of the IVT/ CVT tank material.

41.4

Thickness of the secondary terminal box material.

41.5

Zinc coating of IVT/ CVT tank(g/sq.m)

41.6

Zinc coating of the secondary terminal box (g/sq.m)

41.7

Weather proof rating of secondary terminal box.

41.8

Weight of tank fitting and other accessories.

TERMINAL CONNECTORS 01. Manufacturer’s name 02. Applicable standards., 03. Type. 04. Material of connector.

(a)Clamp body. (b)Bolts and Nuts. (c ) Spring Washers

05. Rated current. 06. (a) Rated terminal load(kg)

(b) Factor of safety.

07. Minimum thickness of any part(mm) 08. Weight of connector complete with

hardware.


Sl. No.


132KV IVT


132KV CVT



0.2 Accuracy Class



09. Type test reports as per IS enclosed. 10. OGA drawing enclosed. BUSHING/SUPPORT INSULATOR 01 Manufacturer’s name 02. Type. 03. Applicable standards. 04

Dimensions: (i)Height(mm) (ii)Diameter(top)(mm) (iii)Diameter( bottom)(mm)

05 Total creepage distance (mm). 06. Rated voltage(KV)(rms) 07.

Power frequency withstand voltage for (1 minute dry and wet(KV/rms)

08.

1.2/50 micro-second Impulse withstand voltage (KVP)

09. Corona Extinction voltage(kv) 10. Weight(kg) 11. Maximum allowable span (mm) 12. Cantilever strength(kg) 13. OGA drawing enclosed.


ADDITIONAL TECHNICAL REQUIREMENT FOR 400 KV,220KV & 132KV CVT

1. Rated capacitance of the CVT

2. High frequency capacitance for entire carrier frequency range. 3. Equivalent series resistance over the entire frequency. 4. Stray capacitance and stray conductance of the LV terminal over entire carrier frequency range. 5. Capacitance (PF) /Tan delta between:-

a) HV-HF point b) HF point-Ground point of

International Transformer. c) HV-Ground point of Intermediate

Transformer winding. 6. Capacitive reactance of the two parts of the divider i.e. High voltage capacitor, and Intermediate voltage capacitor, connected in parallel. 7. Total Inductive reactance, offered by CVT. 8. Voltage ratio of the capacitor divider. 9. Open circuit Intermediate voltage. 10. Rated open circuit Intermediate voltage. 11. Reference range of temperatures within which the CVT complies with the relevant accuracy requirements. 12. Protective device, in-corporate in the CVT for limiting over voltages and/or to prevent sustained Ferro resonance. 13. Rated voltage of Surge Arrester, connected at the secondary of CVT. 14. Natural frequency of coupling (KHZ). 15. Self tuning frequency of CVT (KHZ). 16. Bandwidth (KHZ).


17. Temperature rise over ambient. 18. One minute power frequency test voltage of secondary winding (KV). 19. One minute power frequency test voltage of H.F. terminal (KV). 20. One minute power frequency test voltage of capacitor (dry & wet) (KV). 21. 1.2/50/micro second Impulse withstand test voltage of capacitor (KVP). 22. 250/2500 micro second switching surge withstand voltage of capacitor (dry & wet). 23. Literature Whether the followings are enclosed? 23.1 Type Test reports as per IEC 186. 23.2 OGA drawing of CVT and terminal connector. 23.3 Characteristic curves. 23.4 Drawing showing clearance from earthed object.

23.5 Details of Surge Arrester, connected at secondary winding of CVT. 24. ELECTROMAGNENIC UNIT:- 24.1 CORE:-

a) Core diameter (mm) b) Window Weight (mm) c) Leg centre (mm) d) Net cross sectional area of iron

In the core (mm² ) e) Core lamination thickness (mm) f) Type & grade of core. g) Design flux density at rated voltage.

And rated frequency (Tesla) h) Design flux density at highest system voltage

& lowest system frequency (Tesla). i) Minimum knee point voltage (volts).


24.2 PRIMARY WINDING:-

a) No. of turns. b) Bare size of conductor c) Insulated size of conductor. d) Area of cross section. e) Current density (A/ mm²). f) Conductor material. g) Class of insulation. h) Power frequency withstand level.

(KV-rms). i) Impulse withstand level (KVP).

24.3 Secondary Winding Protection Protection Metering Winding Winding Winding.

a) No.of turns b) Bare conductor size (mm) c) Insulated conductor size (mm) d) Cross-sectional area (sq.mm) e) Current density (A/ mm²) f) Conductor material. g) Class of Insulation.’ h) Power frequency withstand

Level (KV-rms).

Signature of the Tenderer with seal and date.


ANNEXURE –B. CALIBRATION STATUS OF TESTING EQUIPMENTS AND INSTRUMENTS/METERS.

Name of the test.

Meters and equipments required for the correspondi-ng test with range, accuracy, make and Sl. No.

Date of Calibra- tion.

Due date of Cali- bration.

Name of the Cali- brating Agency.

Whether Calibrat- ing Agency is Govt. Approv- ed.

Whether documents relating to Govt. Approval of the cali-brating Agency furnished ?

Whether the meters/ equipment fulfill the accuracy class as per calibration report

Whether the calibra ting agency has put any limitation towards the use of the particular meter/equipment. If yes, state the limitations.

Whether green sticker or blue sticker or yellow sticker has been affixed on the body of the particular equipment/meter. State the colour of the affixed sticker.

Inspite of imposed limitations,, whether the particular meter/equipment can still be used ? Justify its use for corresponding test(s).

Rema- rks

1 2 3 4 5 6 7 8 9 10 11 12

Signature of the tenderer with seal and date.

NESCL/OPTCL/CS-OS-619-01 E27-GTP- Page 12 of 196

ANNEXURE-C

CHECK LIST TOWARDS TYPE TEST REPORTS.

Nam

e of

the

Type

Tes

t.

Dat

e of

Tes

t.

Nam

e of

the

Labo

rato

ry w

here

the

Test

has

be

en c

ondu

cted

.

Whe

ther

the

Labo

rato

ry is

Gov

ernm

ent

App

rove

d.

Whe

ther

the

Test

repo

rts a

re v

alid

as p

er

Cla

use

No.

8.1

of T

.S.

Whe

ther

the

copy

of T

est R

epor

t in

com

plet

e sh

ape

alon

gwith

dra

win

gs e

tc. f

urni

shed

or

not ?

Whe

ther

the

Test

ed I.

V.T

. ful

fills

the

tech

nica

l re

quire

-men

ts a

s per

TS.

If th

e ty

pe te

sted

I.V

.T

does

not

fulfi

ll th

e te

chni

cal r

equi

rem

ents

as p

er

this

spec

ifica

tion,

whe

ther

the

bidd

er a

gree

s to

cond

uct t

he p

artic

ular

test

(s) a

gain

at t

heir

own

cost

with

out a

ny fi

nanc

ial l

iabi

lity

to O

PTC

L in

th

e pr

esen

ce o

f OPT

CL’

s rep

rese

ntat

ive

with

in

the

spec

ified

del

iver

y pe

riod.

Re

mar

k

1 2 3 4 5 6 7 8

Signature of the Tenderer with seal and date.

NESCL/OPTCL/CS-OS-619-01 E27-GTP- Page 13 of 196 13


BATTERY AND BATTERY CHARGER


ANNEXURE – I

SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR 220V LEAD ACID PLANTE STORAGE BATTERY.

[To be filled in by the bidder]

350AH/550AH Values/Others

1. Manufacturer’s Name and address alongwith Fax No. & Tele phone No.

2. Conforming to standards 3. Type and designation as per ISS 4. Manufacturer’s type and designation 5. AH capacity and voltage of the battery

at 27 deg.C.

[a] At 10 hour rate of discharge. [b] At 5 hours rate of discharge. [c] At 1 hour rate of discharge [d] At 1 minute rate of discharge. [e] At ½ hour rate of discharge. 6. Open circuit voltage of each battery

cell.

[a] Fully charged [b] Floating condition. [c] When completely discharged at. [i]. 10hr. rate. [ii]. 5 hour rate [iii] 1 hour rate [iv] ½ hr. rate [v]. 1 minute rate [vi] 1-second rate. 7. Recommended float charging voltage

[volts] across the battery terminals.

8. Recommended boost charging voltage [volts].

9. Time required for boost charging from discharged conditions [in hours]

10. Trickle charging Current range/cell

11. AH capacity at 10 hour rate at 10 hour rate at room temperatures of :

[a] 15 deg C. [b] 27 deg C. [c] 50 deg C. 12. CELL DETAILS


[i]. No. of cells per battery [ii]. Total nos. of plates per cell. [iii] No. of positive plates per cell.

(iv) Type of positive plate (v) No. of negative plates per cell (vi) Type of negative plate (vii) Surface area of plates in sq. mm. (viii) CONSTRUCTIONAL DETAILS AND DIMENSIONS OF (a) Positive plate (b) Negative plate (c) Material of the container (d) Thickness of the container (e) Overall dimensions of each cell

(LxBxH)

ix. Weight per Cell (Kg) (a) Active elements-positive (b) Active elements-Negative (c) Container (d) Net dry weight (e) Weight with electrolyte x. Distance between centre of cells

where erected.

xi. Nominal cell voltage. xii. Internal resistance of each cell at (a) Fully charged condition (b) Fully discharged condition (c) Floating condition 13. Type, Thickness and materials of

the separators

14. Containers (a) Type (b) Material (c) Outside dimensions (LxBxH) 15. Cover and its type and material 16. Clearance in mm between (a) Top of plates and top of container (b) Bottom of plates and bottom of

container

(c) Edges of plates and inner surface of container.


17. Sediment space (depth) in mm 18. ELECTROLYTE (a) Amount of electrolyte and specific

gravity at 27 deg. C for first filling.

(b) First filling per set with 10% of extra furnished.

(c) Electrolyte conforms to standard (d) Rated specific gravity of electrolyte

when fully charged at room’s temperature of

(i) 15 deg. C (ii) 27 deg. C (iii) 50 deg C. (e) Specific gravity of electrolyte at

the end of discharge at 10 hour discharge rate.

(f) Maximum electrolyte temp. that the cells can withstand without injurious effect.

(i) Continuously (ii) For short period 19. INTER CELL CONNECTOR (a) Whether Inter-cell connector to be

furnished ? (Yes / No)

(b) Type of inter-cell connector (bolted or others)

(c) Materials of inter cell connector 20. (a)

Inter row, inter-tier connectors and end take-off furnished ? (Yes / No)

(b) Description, size, current rating, type and material.

21. RACKS (a) No. of racks per battery (b) No. of cells per rack (c) Type of racks (rows and tiers) (d) Material of the rack (e) Racks provided with (i) Numbering tags for cell (ii) Teak wood clamps for cables (f) Whether anti-acid coating provided

?

(g) Description of rack insulators


(h) Outline dimensions of racks (i) Net weight of racks (j) Shipping weight 22. Recommended rate for charging

the battery in 8 hours. Start Finish

(a) Current (b) Voltage 23. Recommended float charge rate 24. Resistance of the battery including

inter-connector between the cells in ohms.

25. (a)

Maximum short circuit current per battery

(b) Allowable duration of short circuit 26. Short circuit current for a dead

short across the battery terminals when

(a) Float at 2.1 volts per cell. (b) Boost charge to 2.75 volts per cell. 27.(a) Time to full charge at finishing rate

only

(b) Time to full charge at higher starting rate

(c) Time for full charge to charge by two step charging at starting up and finishing rates

28. Guaranteed AH efficiency at 10 hour rate of discharge in percent.

29. Guaranteed WH efficiency at 10 hour rate of discharge in percent.

30. Instructions for filling and initial charging of the battery with finishing and two step charging rates.

31. Recommended interval at which battery should be discharged at 10 hour rate and quick charged.

32. Recommended floating voltage per cell and the minimum variation.

33. Recommended maximum period of storage before the first charge.

34. Average life in years


35. Guaranteed life of battery in years. 36. Estimated life of battery in years. 37. Total shipping weight of battery

units

38. Dimensioned lay-out drawings of the rack and battery to be attached with the tender. (Whether furnished ? Yes / No)

39. The following characteristic curves, to be furnished alongwith the tender (whether furnished)

(a) Battery discharge curves at various rates between one minute and 10 hour rate. (Yes / No.)

(b) Curves showing the relation between the specific gravity and amount of charge in the battery for both charging and discharging conditions. (Yes / No)

(c) Curves showing the relation between cell voltage and charging current when charged at

(i) Finishing rate (Yes/ No) (ii) High starting rate (Yes/ No) (iii) Two step charging by starting and

finishing rate (Yes / No)

(d) Curve of internal resistance at the end of various discharge rates (Whether furnished (Yes / No)


ANNEXURE – II

GUARANTEED TECHNICAL PARTICULARS FOR BATTERY CHARGER (220 V D.C. SYSTEM) SUITABLE

FOR SPECIFIED LEAD ACID PLANTE STORAGE BATTERY

(To be filled in by the Bidder)

Values/ Others 1. Manufacturer’s Name

2. Rated output of the charger

2.1 Voltage (volts)

2.2 Current (amps)

2.3 Power factor

3. Short time rating

4. Type of cooling

5. Hottest stack temperature (0C)

6. Charger dimensions

6.1 Height (mm)

6.2 Depth (mm)

6.3 Width (mm)

6.4 Sheet thickness (mm)

7. Charger weight

8. Charger rated output current

8.1 Float charging mode

8.2 Boost charging mode

9. Load limiter current setting range (Trickle mode)

10. RECTIFIER TRANSFORMER Float Boost


Charger Charger 10.1 Make

10.2 Type

10.3 Rated KVA

10.4 Over current impedance (ohms)

10.5 Input line winding connection

in vector representation

10.6 Rated primary voltage (volts)

10.7 Rated secondary voltage (volts)

10.8 Rated frequency (Hertz.)

10.9 Rated output (amps)

10.10 Turn ratio

10.11 Insulation level

10.12 Impulse withstand test voltage (KVP)

10.13 One minute power frequency over voltage.

(a) Primary winding (KV-rms).

(b) Secondary winding (KV-rms)

10.14 Material of primary winding conductor

10.15 Material of secondary winding conductor

10.16 Size, Cross-sectional area and current density of primary winding conductor.

10.17 Size, cross-sectional area and current density of secondary winding conductor

10.18 No. of turns of primary / phase

10.19 No. of turns of secondary / phase

10.20 Name of the insulating materials used and class

10.21 Core

10.21.1 Name of the core material

10.21.2 Grade of the core

10.21.3 Thickness of core material (mm)

10.22 Maximum temperature rise over an ambient temperature of 500C


(a) Primary Winding (0C) (b) Secondary Winding (0C) (c) Core (0C)

10.23 standards applicable

11.0 RECTIFIER ASSEMBLY :

11.1 Make

11.2 Type of semi conductor material

11.3 Rated direct current per cell (A)

11.4 Rated direct voltage (V)

11.5 Rated input voltage (V)

11.6 Type of connections of rectifier elements.

11.7 Forward power loss and reverse power loss (watts).

11.8 Forward voltage drop and reverse voltage drop (volts)

11.9 Conversion efficiency (%)

11.10 Rated DC output voltage (V)

11.11 Rated AC input voltage (V)

11.12 Rated output current (A)

11.13 Ripple factor

11.14 Voltage factor

11.15 Current factor

11.16 Maximum temperature rise over an ambient temperature of 500C (0C)

11.17 Maximum permissible ambient temperature for guaranteed rating (0C)

11.18 Maximum and minimum permissible humidity rating (%)

11.19 Life expectancy (years)

11.20 Standard(s) applicable

11.21 Characteristic curve of DC output plotted against output current (Whether

submitted ?) Yes / No.

12.0 AUTOMATIC VOLTAGE REGULATOR

12.1 manufacturer’s name


12.2 Manufacturer’s type

12.3 Percentage stabilisation of the rectifier with the help of AVR when

(a) Input voltage changes with ± of its nominal value.

(b) DC output of the rectifier varies from no-load to full load.

12.4 Rated output voltage

12.5 Allowable AC frequency fluctuations

12.6 Voltage setting range

12.7 Response time of automatic voltage regulator

13.0 Manual voltage regular (float mode)

13.1 Type

13.2 Voltage setting range

14.0 Boost charging current setting range

15.0 Boost charging limit setting range

16.0 DIODES

16.1 Manufacturer’s name

16.2 Type of circuit

16.3 Method of construction

16.4 Continuous current rating (Amps.)

16.5 Short time current rating (Amps)

16.6 Type of cooling

16.7 Forward power loss and reverse power less (W)

16.8 Life expectancy

16.9 Forward voltage drop on rated current

16.10 Resistance offered for reverse current flow

16.11 Maximum temperature rise over an ambient temperature of 500 C.

17.0 CONTACTORS / MOULDED CASE CIRCUIT BREAKERS

17.1 Type

17.2 Make

17.3 Rated voltage (V)


17.4 Rated continuous currents (A)

17.5 Contact material

17.6 Operating coil

17.6.1 Voltage (V)

17.6.2 Voltage range and power for closing and holding

17.6.3 Voltage range and power for drop off.

17.7 Thermal trip rating

17.8 Thermal trip time

17.9 Details of CT if any

17.10 Auxiliary contacts

17.10.1 Number

17.10.2 Current rating

17.11 Characteristics of back-up HRC fuse

18.0 RELAYS : 18.1 Make and type of protective and alarm relays

(a) Thermal overload relay

(b) Input under voltage relay

(c) Single phasing alarm relay

(d) Phase reversal relay

(e) D.C. output over-voltage relay

(f) D.C. output under voltage relay

(g) Charger failure relay

(h) Battery earth fault relay

(i) A.C. input failure relay (for connecting the D.C. load)

(j) Fuse failure relay

(k) Alarm accept relay

18.2 Rated voltage of each of the above (a) AC/DC (b) Permissible variation (c) Frequency


18.3 VA burden of each of the above

18.4 Operating time of each of the above

18.5 Time vs current curves of each of the above.

(to be enclosed alongwith the offer)

18.6 Reset time

18.7 Accuracy

18.8 Setting range

18.9 Reset factor

18.10 Number of contacts

(a) Normally open

(b) Normally closed

18.11 Rating of contacts

(a) Rated Voltage (V)

(b) Rated making and breaking

(c) Continuous rating

18.12 No. of operations

18.13 Operation indicator

19.0 INDICATING LAMPS


19.2 Type and designation

19.3 Permissible voltage variation

19.4 Rated power consumption (watts). 19.5 Series resistance, if any 20.0 SWITCHES: 20.1 Manufacturer’s name

20.2 Ratings

(a) Continuous current

(b) Short circuit – making capacity

(c) Breaking capacity


(d) Voltage

20.3 Operating mechanism details

20.4 Type of visual indication

(a) OFF and ON position

(b) Fuse blow out

21.0 FUSES

(a) Make

(b) Type

(c) Rating (Amps)

(d) Interrupting rating (KA)

22.0 INSTRUMENTS

22.1 Manufacturer’s Name

(a) Ammeter

(b) Voltmeter

22.2 Type

(a) Ammeter (b) Voltmeter

22.3 Standard

(a) Ammeter (b) Voltmeter

22.4 Scale range 22.4.1 Ammeter

(a) Float charger (b) Boost charger (c) Battery float (d) Battery boost

22.4.2 Volt meter

(a) Input supply (b) Charger output (c) Load


22.5 Size of dial (a) Volt meter (b) Ammeter

22.6 Accuracy class

(a) Volt meter (b) Ammeter

22.7 Temperature at which calibrated

22.8 Limit of errors

22.9 Out line dimensions

22.10 Type of mounting

22.11 Selector switch for volt meter (AC & DC)

(a) Make

(b) Rating

23.0 CAPACITOR 23.1 Manufacturer’s name

23.2 Type

23.3 Capacitance (Farad)

23.4 Maximum temperature rise over an ambient temperature of 500C.

24. Reference float voltage at ambient temperature of 270C

25. Whether protection is given for float voltage to Avoid low battery voltage due

to sensor or circuit Malfunction. (Yes/ No)


ANNEXURE – IV-A (For Testing of Battery)

(To be filled in by the bidder)

CALIBRATION STATUS OF TESTING EQUIPMENTS AND INSTRUMENTS/ METERS Name of the Test

Meters & Equipments required for the corresponding test with range, accuracy, make & Sl. No.

Date of Calibr-ation

Due date of Calibration

Name of the Calibratig Agency

Whether Calibrating Agency is Govt. approved

Whether documents relating to Govt. approval of the calibrating Agency furnished

Whether the meters/ equipments fulfil the accuracy class as per calibration report.

Whether the calibrating agency has put any limitation towards the use of the particular meter/ equipment. If yes, state the limitations

Whether the calibrating agency has put any limitation towards the use of the particular meter/equip-ment/ meter. State the colour of the affixed sticker

Inspite of imposed limitations. Whether the particular meter / equipment can still be used ? Justify its use for corresponding test(s)

Remarks

1 2 3 4 5 6 7 8 9 10 11 12

Signature of the tenderer with seal & date


ANNEXURE – IV-B

(For Testing of Battery Charger) (To be filled in by the bidder)

CALIBRATION STATUS OF TESTING EQUIPMENTS AND INSTRUMENTS/ METERS

Name of the Test

Meters & Equipments required for the corresponding test with range, accuracy, make & Sl. No.

Date of Calibr-ation

Due date of Calibration

Name of the Calibratig Agency

Whether Calibrating Agency is Govt. approved

Whether documents relating to Govt. approval of the calibrating Agency furnished

Whether the meters/ equipments fulfil the accuracy class as per calibration report.

Whether the calibrating agency has put any limitation towards the use of the particular meter/ equipment. If yes state the limitations

Whether the calibrating agency has put any limitation towards the use of the particular meter/equip-ment/ meter. State the colour of the affixed sticker

Inspite of imposed limitations. Whether the particular meter / equipment can still be used ? Justify its use for corresponding test(s)

Remarks

1 2 3 4 5 6 7 8 9 10 11 12

Signature of the tenderer with seal & date


ANNEXURE V – A (To be filled in by the bidder)

CHECK LIST TOWARDS TYPE TEST REPORTS FOR BATTERY

Name of the Type Test

Date of Test

Name of the Laboratory where the Test has been conducted

Whether the Laboratory is Government approved

Whether the Test report is valid as per Spn.

Whether the Test report in complete shape alongwith drawings etc. furnished or not ?

Whether the type tested Plante lead acid battery fulfills the technical requirements as per TS

If the type tested battery does not fulfill the technical requirements as per this specification, whether the bidder agrees to conduct he particular type test again at their own cost without any financial liability to OPTCL in the presence of OPTCL’s representative within the specified delivery period

Remarks

1 2 3 4 5 6 7 8 9 Signature of the tenderer with seal & date


ANNEXURE V – B

(To be filled in by the bidder) CHECK LIST TOWARDS TYPE TEST REPORTS FOR BATTERY CHARGER

Name of the Type Test

Date of Test

Name of the Laboratory where the Test has been conducted

Whether the Laboratory is Government approved

Whether the Test report is valid as per Spn.

Whether the Test report in complete shape alongwith drawings etc. furnished or not ?

Whether the type tested battery charger fulfills the technical requirements as per TS

If the type tested battery charger does not fulfill the technical requirements as per this specification, whether the bidder agrees to conduct he particular type test again at their own cost without any financial liability to OPTCL in the presence of OPTCL’s representative within the specified delivery period

Remarks

1 2 3 4 5 6 7 8 9 Signature of the tenderer with seal & date.



FOR

SF6 AND VACUUM CIRCUIT BREAKERS


GUARANTEED TECHNICAL PARTICULARS FOR CIRCUIT BREAKERS

( To be filled in & furnished by the Bidder , separately for 245kv &145 KV SF6 Circuit Breakers)

1. (a) Maker’s name and country of manufacture

(b) Manufacturer’s type Designation

1. Applicable technical standards

2. (a) Rated voltage(kV)

(b) Rated frequency(Hz)

4. Number of Poles

5. Class

6. Rated normal current

(a) Under site conditions(Amps)

(b) Rated (Amps)

7. (a) Rated short circuit breaking current

(i) Rms value of AC component of rated

short circuit current (KA)

(ii) Percentage DC component (iii) Assymetrical Breaking Current at Highest System Voltage (iv) Certificate or report no

(iii) Oscillogram no. (b) Rated short circuit making current (KA peak)

(i) At Higher rated Voltage (ii) At Lower rated Voltage (c) (i) Maximum Breaking capacity Under Phase Opposition(KAP)

(iii) Max Pole discrepancy(ms) (iv) Max arc duration & Corresponding current under lockout

pressure


8. First pole to clear factor

9. Rated transient recovery voltage for terminal faults

(kV peak)

10. Rated characteristics for short line faults.

11. Rated operating sequence

12. Rated duration of short circuit(Sec.)

13. Rated out of phase making & breaking current (kA)

14. (a) Opening time (ms)

(i) Maximum Opening time under any condition (ii) With limiting Voltage & Pressure.

(b) Arcing time (ms)

(i) At 100% rated breaking current (ms)

(ii) At 50% rated breaking current (ms)

(iii) At 25% rated breaking current (ms)

(iv) At 10% rated breaking current (ms)

(v) Maximum arcing time at lowest

fault current (ms).

(c) Break Time (ms)

(i) At 100% rated breaking current (ms)

(ii) At 50% rated breaking current (ms)

(iii) At 25% rated breaking current (ms)

(iv) At 10% rated breaking current (ms)

(v) Maximum break time at lowest

fault current (ms).

(v) Maximum Total Break Time under any duty condition For any current up to rated breaking current with limiting condition of Voltage & Pressure(ms)


(d) Closing time (ms)

(e) Minimum dead time for 3 phase reclosing

(f) Maximum Close Open Time under any condition

With limiting Voltage & Pressure.

(g) Minimum Time Interval between each make/ Break Operation.

15. Rated line charging breaking current (kA)

16. Rated small inductive breaking current (kA)

17. (i)Max. rise of temperature over ambient for

current rating under sl. 6.

(ii)Max. rise of temperature for

Main contacts over design ambient temperature of 50deg C.

18. Interrupting capacity based on duty cycle as per sl. 11.

(a) AC ;component (kA)

(b) Percentage DC component.

19. Latching current (kA)

20. No. of breaks in series per pole.

21. Length of contact travel (mm)

22. Total length of break per pole (mm)

23. Rate of contact travel:

(a) At tripping (metres/sec.)

(b) At closing (metres/sec.)

24. Type of devices, if any, used to obtain

uniform voltage distribution between breaks.


25. Recovery voltage distribution between

breaks in percent of rated voltage.

(a) Single line to ground fault

(b) Interruption on short lines.

(c ) Switching off an unloaded, transformer

26. (i) Type of main contact.

(ii) Number of auxiliary contacts per pole for normal operation(NO & NC) (iii)Number of auxiliary contacts per pole provided for Owner’s use(NO &

NC) (iv) Current rating of Auxiliary contacts

27. Type of arcing-contacts and/or arc

control device

28. Material of contacts:

i. Main ii. Arcing

iii. Whether contacts are silver plated

iv. Thickness of silver coating mm

v. Contact pressure, kg/sq. mm.

29. Insulation level of the breaker:

(a) 1 minute power frequency withstand voltage kV rms(Dry & Wet)

(i) Between live terminals & Ground (ii) Between terminals with Breaker contacts open

(b) Switching surge withstand test Voltage kV (peak)

- To earth

- Across open contacts

(c ) Lightning impulse withstand test voltage, kV(peak)


- To earth

- Across open contacts

(d) Max. dynamic power frequency over voltage

withstand kV (peak)

30. i) RIV level (Max)

ii) Corona inception voltage (kV rms) iii) Corona extinction voltage (kV rms)

31. Minimum clearances

(a) Between phases (live parts)(mm)

(b) Between live parts and earth (mm)

( c) Total Creepage Distance (i) To ground

(ii) Between Terminals

32. Whether the circuit breaker is fixed trip or trip free

33. Method of closing

(a) Normal (b) Emergency

34. Type of closing mechanism

35. (a) Normal voltage of closing

(b) Pick up range (volts DC)

36. (a) Power at normal voltage of closing mechanism (watts)

(b) Power at 85% of normal voltage of closing mechanism(watts)

(c) No of closing coils in operation

37. Type of tripping mechanism

Number of Tripping Coil

38. (A) Normal voltage of tripping coils(volts)


(a) Power at normal voltage for Tripping coils (watts)

(b) Power at 70% normal voltage for Tripping coils (watts).

(c) No. of tripping coils in operation (d) Pick up range (V DC)

(B) Number of close open operation

(i) possible after failure of AC supply to motor (ii) Time required for motor to charge the closing spring(Sec)

(iii) Wheather indication of spring charged condition will be provided in control cabinet.

39. Arc duration at 100% (ms)

40. Interruption capacity:

a) Opening Arcing time no. of loops and time including resistor current duration (cycle)

Resistor current duration (cycle)

Total length of the arc (mm)

Max. length of the arc (mm)

Total interrupting time measured from instant of trip coil energisation to arc extinction of resistor current (cycles)

b) Closing time measured from instant of application of power to


closing device upto arcing contacts touchings (cycles)

41. Critical current (current giving the longest arc

when a break takes place) (kA)

a) Recovery voltage when circuit breaker tested at 100% rated breaking capacity (kV inst.)

b) Rate of rise of restriking voltage at breaking

i) for 30% breaking capacity (kV/microsecs.)

ii) for 100% breaking capacity (kV/microsecs.)

c) Maximum over-voltage factor of the circuit breaker when switching off.

i) Unloaded transformers

ii) Loaded transformer

iii)Open circuited lines

42. When switching of synchronous systems: (a) Max. current (kA) (b) Max. contacts of 1 pole (kV)

43. No. of openings the circuit breaker is capable of performing without inspection, replacement of contacts or other main parts.

(a) at 50% rated current (b) at 100% rated current

(c ) at current corresponding to 50% rated breaking capacity.

(d ) at current corresponding to 100% rated breaking capacity.


44. (A)a) W eight of complete circuit breaker (Kg).

b) Impact loading for foundation design, to include deed load plus impact value on opening at maximum interrupting ratings, in terms of equivalent static load (Kg.)

c ) Overall dimensions:

Height (mm)

Width (mm)

Length (mm)

(B)- Type & Material of Gasket used to ensure gas tight joints for

(i)Metal to Metal Joint

(ii) Metal to Porcelain Joints

(C ) Type & Make of

a) Density Monitor

b)Pressure Gauge

(D) Density Monitor Setting

a) Lock Out b) Alarm

45. Porcelain:

a) Make b) Type c) Descriptive pamphlet no. d) Weight (kg.) e) Transport dimensions (mm) f) Height above floor, required to remove

porcelain (mm). g) Insulation class h) One minute power frequency withstand,

kV (rms) (dry & wet) i) Flash over voltage (kV) j) Lightning impulse withstand voltage kV

(peak) (dry & wet) k) Switching surge withstand voltage kV

(peak) (wet) l) Corona discharge voltage (kV rms)


m) Creepage distance, total protected (mm) n) Permissible safe cantilever loading on

installed porcelain (Kg.m)

46. (i)Rated pressure of SF6 gas in the circuit breaker (Kg/sq.cm )

(ii) Rated Pressure of SF6 in operating Chamber(kg/cm2) at 20deg C

(iii) Limits of Pressure of extinguishing medium

47. Rated pressure of SF6 gas in the gas cylinders (Kg/sq.cm )

48. (i)Quantity of SF6 gas required per single pole unit (Kg.) at rated Pressure & at 20 deg C

(ii) Guaranteed Maximum Leakage rate per Year.

49. Quantity of SF6 gas per cylinder (Kg.)

Standard to which SF6 Gas Complies.

50. (i) Weight of empty cylinder (Kg.) (ii) Wheather Breakers are dispatched filled with SF6 Gas or filled at site.

51. Quantity of absorbent required per pole (Kg.) 52. Recommended interval for renewal of absorbent in case of outdoor circuit breakers operating in tropical conditions.

53. Chemical composition of absorbent 54. Quantity of absorbent covered in the scope of supply (including spare quantities)

55. Limits of gas pressure for pressure operation of circuit breaker – (Kg/sq.cm )

56. Pressure and temperature at which the temperature compensated gas pressure switch will a. give alarm (Kg/sq.cm., deg. C) b. cut off (Kg/sq.cm. deg. C)

57. Name of SF6 supplier and country of origin. 58. Quantity of SF6 gas supplied for

a. Actual use in breakers (Kg.)


b. As spare (Kg.) 59. Chemical composition of gas:

a. Qty. of air by weight (ppm) b. Qty. of H20 by weight (ppm) c. Qty. of CF4 by weight (ppm) d. Qty. of free acid by weight (ppm) e. Density f. Oil Content g. Resistivity

60. Motor For Circuit Breaker a) Manufacture’s name & address b) Eqipment driven by motor or not. c) Motor Type d) Country of Origin e) Type of Duty f) Type of Enclosure & Method of Cooling g) Applicable Standard to which motor confirms h) Type of mounting i) Direction of rotations as viewed from non driving end. j) Standard Continuous rating at 50deg C k) Rated Voltage l) Rated Speed at rated Voltage & Frequency(rpm). m) Full Load current at rated voltage & frequency. n) Power Factor at rated load. o) Rating of the Motor. p) Time for fully charging the closing spring

61. Control Cabinet (a) Material of enclosure (b) Thickness of sheet steel (c) Painting for control cubicle (d) Paint shade (e) Degree of protection (f) Dimension (g) Material of gasket

Name of the firm…………………. Signature of Bidder………………..

Designation & Seal ……………….. Date ……………………………….


SCHEDULE OF GUARANTEED TECHNICAL PARTICULARS FOR 36 KV

CIRCUIT BREAKERS

1. Name of Manufacturer.

2. Manufacturer’s type designation.

3. Rated Voltage. - KV

4. Maximum (continuous) service rated Voltage - KV

5. Normal current rating.

a) Under normal conditions.

b) Under site conditions.

6. Short time current rating for seconds (rms)

7. Maximum temperature rise over ambient. -°C

8. Breaking capacity.

a) Symmetrical. KVA

b) Assymmetrical. MVA

9. Making capacity. KA

10. Total break time in ms.

a) at 10% rated interrupting capacity - MS

b) at rated interrupting capacity - MS

11.Arcing time. - M.S.

12. Make time. - M.S.

13. Minimum reclosing time at full rated - M.S. Interrupting MVA from

the instant ofTrip coil energisation.

14. Minimum dead time for 3 phase reclosing.- M.S.

15. Whether restricting free. - Yes/No


16. One minute dry power frequency

Withstanding test voltage (KV rms)

Between line terminal and ground objects. - KV rms.

Between terminal with breaker contacts open. -KV rms.

17. 1.2/50micros full wave impulse withstand test voltage for the two cases above.

i) Between line terminal & grounded objects. -KV(Peak)

ii) Between terminal with breaker Contacts open. -

18. Busing or Insulators :

i) Type of bushing. -

ii) Dry 1 minute power frequency - KV rms

withstand test voltage.

iii) Dry flashover value. - KV rms.

iv) Wet flashover value. - KV rms.

V) 1.2/50 impulse withstand - KV(Peak)

vi) Creepage distance. - mm

vii) Puncture value of bushing. - KV

viii) Weight of bushing. - Kg.

19. Minimum clearance in air.

i) Between phases. - mm

ii) Live parts to earth. - mm

iii) Live parts to ground level - mm


iv) Between live parts & grounded object. - mm

20. Number of poles of circuit breaker.

21. Number of breaks per phase.

22. Total length of break per phase.

23. Type of main contacts.

24. Type of Aux. Contacts.

25. Materials of auxiliary contacts.

26. Contacts silver plated or not.

27. Thickness of silver plating.

28. Contact pressure.

29. Voltage distribution between breaker.

30. Type of device if any, used to limit

the rate of rise or restricting voltage.

31. Voltage grading device if any used.

32. Number of auxiliary contacts provided.

i) Those closed when breaker is closed.

ii) These open when breaker is closed.

iii) Those adjustable with respect to the position of main contacts.

33. Type of operating mechanism.

i) Operning

ii) Closing.

34. Control circuit voltage.

35. Power required for trip coil - Watts


at 220V D.C.

36. Power required for close coil

At 220V D.C. - Watts

37. Frequency at which contacts are

To be replaced.

38. Nos. of terminal connector.

39. Steel support structure galvanized - Whether

With foundation – Nuts & Bolts to be provided yes or no

40. Type test certificate Furnished - Yes/No

41. Circuit Breaker weight. - Kg.

42. Quantity. - Nos.

Name of the

Firm:-

Signature of

the bidder:-

Designation &

seal:-

Date:-



FOR

CURRENT TRANSFORMER


GUARANTEED TECHNICAL PARTICULARS FOR CURRENT

TRANSFORMER TO BE FILLED BY THE BIDDER.

Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

1. Bidder’s name and address

2. Name and address of the Manufacturer

3. Manufacture’s type designation

4. Standards applicable

5. Rated frequency (HZ)

6. Rated Voltage (KV)

7.0 Rated current (A)

7.1 Rated continuous current (A)

7.2 Rated extended primary current (A)

8. Short time thermal current withstand for stipulated time duration (KA)

9. Dynamic current withstand (KAP)

10.

1.2/50 μs impulse withstand voltage (KVP)


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

11. One minute dry

and wet power frequency withstand voltage (KV-rms)

12. No. of cores per CT

13. Transformation Ratio

14. No. of secondary turns

15. Rated output at all ratios for metering core (VA)

16. Accuracy class

17. Minimum Knee point voltage at different taps for all ‘PS’ class cores (V)

18. Secondary winding resistance at different taps for all cores (Ω) (750C)

19.0

Maximum exciting current at all ratios (for all PS class cores)

19.1 100% KPV


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

(Knee point voltage) (mA)

19.2 25% KPV (Knee point voltage) (mA)



20. Instrument security factor at different ratios.

21. Radio interference voltage at 1.1 Vr / 31/2 at 1.0 MHZ (Micro volts)

22. Whether auxiliary CT provided for metering winding

23. Corona extinction voltage (KV rms)

24. Partal discharge level (PC)

25. Total creepage distance (mm)

26. Primary 26.1 No. of primary

turns

26.2 Material and cross-section of primary (mm2)


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

26.3 Type of primary 27. Whether CT is

suitable for transportation horizontally.

28. Percentage current (ratio) error and phase displacement in minutes at rated burden and at

28.1 5% rated current

28.2 10% rated current

28.3.

20% rated current

28.4.

120% rated current

29. Percentage current (ratio) error and phase displacement in minutes at 25% rated burden and

29.1 At 5% rated current

29.2 At 10% rated current

29.3.

At 20% rated current

29.4.

At 120% rated current

30. Quantity of oil per CT (Litres)

31. Standard to which oil


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

conforms generally.

32. Characteristics of oil (prior to filling)

32.1 Breakdown voltage (KVrms)

32.2 Dielectric dissipation constant (tan delta)

32.3 Water content (ppm)

32.4 Gas content 32.5 Interfacial

tension at 270C (N/m)

32.6 Specific resistance

32.6.1

At 900C (Ωcm)

32.6.2

At 270 C (Ωcm)

33. Whether current transformers are hermetically sealed. If so, how ?

34. Total weight (Kg)

35. Transport weight (Kg)

36.1 Temperature rise over an ambient temperature of 500C for continuous


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

operation at rated continuous thermal current.

36.1 Winding 36.2 Oil 36.3 External surface

of the core, metallic parts in contact with or adjacent to insulation.

37. Whether CT characteristic curves enclosed.

37.1 Ratio and phase angle curve

37.2 Magnetisation curves

37.3 Ratio correction factor curves.

38. DATA ON PRIMARY WINDING

38.1 Rated primary current (A)

38.2 No. of conductors in one turn

38.3 No. of turns of primary

38.4 Material of the primary conductors

38.5 Size of the primary conductor


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

(Bare/ Insulated (mm x mm)

38.6 Cross-sectional area of each conductor (mm2)

38.7 Total cross-sectional area of primary winding (mm2) conductors

38.8 Current density(A/mm2)

(i) At highest ratio

(ii) At intermediate ratio

(iii) At lowest ratio

38.9 Short circuit current densiry (A/mm2)


(ii) At intermediate ratio

(iii) At lowest ratio

38.10

Ampere-turn of Primary (AT)


(ii)At intermediate ratio

(iii) At lowest


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

ratio 38.11

Length of primary conductor (m)

38.12

Weight of primary winding (kg.)

39. CORE 39.1 Material and

grade of the core

39.2 Thickness of core (mm)

39.3 Net Iron cross-sectional area of core (mm2)

39.3.1

Core-1

39.3.2

Core – 2

39.3.3

Core – 3

39.3.4

Core – 4

39.3.5

Core – 5

39.4 Mean magnetic path length (cm)

39.4.1

Core – 1

39.4.2

Core – 2

39.4.3

Core – 3

39.4.4

Core – 4

39.4.5

Core – 5


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

39.5 Whether B-H curve for the core material, used, furnished ? (B-wb/m2, H-AT/cm)

39.6 Whether specific loss vs. flux density graph for the core material used furnished ?

39.7 Axial length of core (mm)

39.7.1

Core – 1

39.7.2

Core – 2

39.7.3

Core – 3

39.7.4

Core – 4

39.7.5

Core – 5

39.8 Inside diameter / outside diameter of the cores (mm)

39.8.1

Core – 1

39.8.2

Core – 2

39.8.3

Core – 3

39.8.4

Core – 4

39.8 Core – 5


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

.5 39.9 Weight of the

core (kg)

39.9.1

Core – 1

39.9.2

Core – 2

39.9.3

Core – 3

39.9.4

Core – 4

39.9.5

Core – 5

40. SECONDARY WINDINGS

40.1 Rated secondary current (A)

40.2 Material of the secondary windings

40.3.

Size of the secondary conductor [Bare / Insulated] [mm]

40.3.1

Core – 1

40.3.2

Core – 2

40.3.3

Core – 3

40.3.4

Core – 4

40.3.5

Core – 5

40.4 Cross sectional area of the


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

secondary conductor (mm2)

40.4.1

Core – 1

40.4.2

Core – 2

40.4.3

Core –3

40.4.4

Core – 4

40.4.5

Core – 5

40.5 Current density of secondary windings (A/mm2)

40.5.1

Core – 1

40.5.2

Core – 2

40.5.3

Core – 3

40.5.4

Core – 4

40.5.5

Core – 5

40.6 No. of secondary turns

40.6.1

Core – 1

40.6.2

Core – 2

40.6.3

Core – 3

40.6.4

Core – 4

40.6 Core – 5


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

.5 40.7 No. of layers 40.7.1

Core – 1

40.7.2

Core – 2

40.7.3

Core – 3

40.7.4

Core – 4

40.7.5

Core – 5

40.8 No. of turns / layer

40.8.1

Core – 1

40.8.2

Core – 2

40.8.3

Core – 3

40.8.4

Core – 4

40.8.5

Core – 5

40.9 Average length / turn of secondary windings (mm)

40.9.1

Core – 1

40.9.2

Core – 2

40.9.3

Core – 3

40.9.4

Core – 4

40.9.5

Core – 5


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

40.10

Resistance of the conductor used for secondary winding per meter length at 750C (Ω/M)

40.11

Weight of secondary windings (kg)

40.11.1

Core – 1

40.11.2

Core – 2

40.11.3

Core – 3

40.11.4

Core – 4

40.11.5

Core – 5

41 INSULATION 41.1 Name and class

of insulating material between core and secondary winding.

41.2 Name/s of Insulating materials between secondary winding and primary windings.

41.3 Insulating materials used to achieve


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

grading of capacitance.

42. DIAMETER OF WINDINGS

42.1 Inside / outside diameter of secondary windings (mm)

42.1.1

Inside / outside diameter of secondary windings (mm)

42.1.1

Core – 1

42.1.2

Core – 2

42.1.3

Core – 3

42.1.4

Core – 4

42.1.5

Core – 5

42.2 Inside / outsde diameters of primary winding (mm)

42.3 Minimum clearance from tank (mm)

42.4 Minimum clearance from secondary to tank (mm)

43. TANK AND SECONDARY TERMINAL BOX

43.1 Material of the


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

CT tank 43.2 Material of the

CT secondary terminal box

43.3 Thickness of CT tank material (mm)

43.4 Thickness of CT secondary terminal box material (mm)

43.5 Zinc coating of the CT tank (gm/m2) as per relevant upto date ISS

43.6 Zinc coating of the CT secondary terminal box (gm/m2) as per the relevant upto date ISS.

43.7 Ingress protection rating of the secondary terminal box.

43.8 Weight of the tank, fittings and other accessories (kg)

44. TERMINAL CONNECTOR


44.2 Applicable standard


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

44.3 Type 44.4 Material of

connector

44.4.1

Clamp body

44.4.2

Bolts and Nuts

44.4.3

Spring washers

44.5 Rated current (Amp)

44.6 Rated terminal load (Kg)

44.7 Factor of safety

44.8 Minimum thickness of any part (mm)

44.9 Weight of clamp complete with hardwares (kg)

44.10

Type test reports as per IS enclosed

44.11

OGA drawing enclosed

45. INSULATOR 45.1 Manufacturer’s

name

45.2 Type 45.3 Applicable

standards

45.4 Height (mm) 45.5 Diameter (top)

(mm)

45.7 Total creepage distance (mm)

45.8 Rated voltage


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

. (KV)

45.9 Power frequency withstand voltage for 1 min. dry and wet. (KV – rms)

45.10

1.2/50 micro-sec impulse withstand voltage (KVP)

45.1

1

Corona

extinction

vollage (KV)

45.1

2

Weight (Kg)

45.1

3

Maximum

allowable span

(mm)

45.1

4

Cantilever

strength (Kg)

45.1

5

The drawing

enclosed.

46. Dielectric dissipation factor at 245/1.732KV (for 220KV C.T)


Sl. No.

Description 33KV

132KV

220KV

a)400-200A-100/ 1-1-1A

b) 800-400- 200A-/ 1-1-1A

a) 800-400- 200A/ 1-1-1-1A

b)600-300- 150A/ 1-1-1-1A

c) 400-200- 100A/

1-1-1-1A

d)400-200A/ 1-1-1-1A

1200-600-300A/ 1-1-1-1-1A

and 145/1.732 KV (for 132 kv C.T.) at ambient temperature.

47. Accuracy class of standard C.T. to be used towards determination of ratio errors and phase angle errors for metering cores.



FOR CONTROL CABLE & POWER CABLE


PART 4: SCHEDULES 25. TECHNICAL DATA SCHEDULES 3. 650/1100V Cable Schedule The Contractor must complete a schedule for each size of cable supplied ITEM NO.

DESCRIPTION

UNITS

BIDDERS OFFER

1 Standards to which the cable conforms IS-1554/IEC 502

2 Catalogue Number -

3

Conductor Material

-

4

Conductor Strands

Number

5

Conductor Shape

-

6

Conductor cross sectional area

mm2

7

Outer Diameter of Conductor

mm

8

Number of Cores

—

9

Reduced neutral conductor cross sectional area

mm2

10

Insulation Material

-

11

Minimum thickness of insulation

mm

12

Nominal thickness of insulation

mm

13

Outer Diameter over insulation

mm

14

Nominal thickness of inner sheathing

mm

15

Sheath Material

-

16

Type of armouring

—

17

Number and diameter/size of armour wires/strips No/mm


18

Minimum outersheath thickness mm

19

Nominal outersheath thickness mm

20

Overall diameter of cable mm

21

Minimum Bending Radius mm

650/1100V Cable Schedule (Continued) ITEM NO.

DESCRIPTION

UNITS

BIDDERS OFFER

22

Cable identification per Clause 9

-

23

Rated Voltage per IEC 502/IS - 1554

kV

24

Conductor DC resistance per km at 20°C

ohm/km

25

Conductor AC resistance per km at 20°C and 50Hz

ohm/km

26

Maximum continuous rating of cable in the conditions outlined in Clause 4: System Conditions

A

27

Minimum insulation resistance per km at 90°C

Mohm/km

28

Maximum permissible continuous conductor temperature

°C

29

Maximum permissible continuous outersheath temperature

°C

30

DC test voltage for 15 mins. after installation

kV

31

Delivery length per drum

m

32

Weight of conductor per km

kg/km

33

Weight of cable per km

kg/km

34

Gross weight of full cable drum

kg

35

Outer diameter of the cable drum

mm


36

Width of cable drum

mm

37

Maximum permissible cable pulling tension

kg

38

Maximum permissible cable side wall pressure

kg

39

Manufacturers Name

-

40

Country of Origin

-



FOR

CONDUCTOR, EARTH WIRE, INSULATORS


A P P E N D I X - IV

Guaranteed Technical Particulars of Conductor ACSR CONDUCTOR: MOOSE ZEBRA PANTHOR

Sl. Description To be specified No. by Tenderers 1. Code Word

2. Maker’s name address and

Country.

a) Aluminum rods

b) Steel Wire/rods

c) Complete conductor

3. Stranding and wire diameter

a) Aluminum.

b) Steel.

4. Standard nominal copper

area in sq. mm

5. Calculated equivalent

aluminum area in sq. mm

6. Actual aluminum area


in sq. mm.

7. Standard area of cross

section in sq. mm.

a) Aluminum strand

b) Steel strand

c) Conductor

8. Diameter of complete conductor in mm.

9. Minimum ultimate tensile stress of strand, in Kg/sq. mm.

Before stranding and after stranding for

a) Aluminum strand.

b) Steel strand

10. Guaranteed ultimate tensile strength of conductor in Kg.

11. Minimum breaking load in Kg. Before stranding and after stranding for a) Aluminum strand.

b) Steel strand.

12. Purity of aluminum rods.

13. Zinc coating of steel strand. a) Uniformity of coating

number and/duration of dips.

b) Minimum weight of coating gm/sq. mm.

14. Weight in Kg. per K.M.

a) Aluminum.


b) Steel.

c) Conductor.

15. Resistance in ohms per Km. at 20° c.

16. Continuous maximum current

rating of conductor in still

air at 45° C ambient temperature,

considering temp. rise of 50°C.

17. Modulus of elasticity of :

Conductor.

18. Co-efficient of linear expansion

per degree centigrade of.

a) Aluminum strand.

b) Steel Strand.

c) Conductor.

19. Percentage of carbon in

steel wire.

20. Standard length of each

peace in Km.

21. Initial and final sags and

tension and stringing charts,

whether furnished.

22. Tolerance, if any on standard length.

23. Number of standard length

in one reel.

24. Dimensions of the reel in cms.

25. Weight of the Conductor


in one reel in Kg.

26. Weight of the reel in Kg.

27. Gross weight of the reel

including weight of the conductor.

28. Wheather the conductor will be manufactured

as per the relevant Indian Standard Specification

& as per Section-IV ‘Technical specification’ of this specification.

29. Wheather the conductor will be Tested

as per the relevant Indian Standard Specification

& as per Section-IV ‘Technical specification’ of this specification.

( Cause-12 of Section –IV of Technical Specification)

29. Other particulars, if any.

Signature of the Tenderer

Address

Fax No. Ph. No.

Seal


GUARANTEED TECHNICAL PARTICULARS OF THE

GALVANIZED STEEL G.I. EARTH WIRE TO BE FURNISHED

BY THE BIDDER(For 7/3.15 and 7/3.66mm) 1. Maker’s name, address and

country :

2. Percentage of carbon content of the steel wire.

:

3. Particular of steel strands a) Number of strands. b) Diameter c) Standard sectional area d) Minimum ultimate tensile

strength. e) Minimum breaking land f) Final stress in steel wires

:

Mm Sq.mm N/mm2 N/mm2 KN/mm2

4. (a) Uniformity of coating of number and duration of dips.

: Minutes Number of dips.

1. 2.

b) Minimum weight of coating

: GM/m2

5. Standard overall diameter of ground wire.

: Sq.mm

6. Area of cross section of ground wire.

: Mm

7. Guaranteed ultimate tensile strength of ground wire.

: N/mm2

8. Maximum working tension : N/mm2 9. Resistance in ohms per KM at

200C. :

10. Standard length of ground wire.

: Km.

11. Modulus of elasticity of ground wire.

: Kg / cm2 Final Initial

12. Co-efficient of linear expansion.

:

13. Zinc coating :- a) Number of one minute dip : b) Number of half minute dip. c) Quality of zinc : 14. Weight of coating on wire : 15. Process of galvanising :


GUARANTEED TECHNICAL PARTICULARS FOR INSULATORS (SEPARATE SHEETS MAY BE FILLED IN FOR EACH VOLTAGE

RATING) Sl. No.

Description. Single Suspension

Double suspension

Single Tension

Double Tension.

1. 2. 3. 4. 5. 6. 1. Makers name

and address and country.

2. Size and designation of Ball and socket and standard to which if will conform mm.

3. No. of insulator discs per string.

4. Outside dia of the disc. Mm

5. Spacing – mm

6. Creepage distance of the single disc –mm

7. Electro-mechanical strength of single disc. Kg.

8. Withstand voltage of single disc.

8.1 Power frequency:

a) Dry-kV (rms) b) Wet-kV (rms


Sl. No.


Double suspension

Single Tension

Double Tension.

8.2 Impulse voltage 1.2/50 micro second.

a) Positive-kV (peak) b) Negative-kV (peak)

9. Withstand voltage for the complete string.

9.1 Power frequency: a) Dry-kV (rms) b) Wet kV (rms)

With and without corona ang.

9.2 Lighting impulse voltage 1.2/50 micro second.

a) Positive kV(peak) b) Negative Kv(Peak)

-do-

9.3 Switching surge voltage 250/2500 micro second (for 400KV only)

a) Dry-kV

-do-


Sl. No.


Double suspension

Single Tension

Double Tension.

(rms) b) Wet kV (rms)

10. Flashover voltage for the disc.

10.1 Power frequency: a) Dry-kV (rms) b) Wet kV (rms)

10.2 Lighting impulse voltage 1.2/50 micro second.

a) Positive kV(peak)

b) Negative Kv(Peak)

11. Flashover voltage for the complete string.

11.1 Power frequency:

a) Dry-kV (rms) b) Wet kV

With and without corona ring.


Sl. No.


Double suspension

Single Tension

Double Tension.

(rms) 11.2 Lighting impulse

voltage 1.2/50 micro second. a) Positive kV(peak) b) Negative Kv(Peak)



FOR

ISOLATORS


GUARANTEED TECHNICAL PARTICULARS FOR DISCONNECTOR

(ISOLATORS)

(To be filled in separately for Disconnectors of different voltage classes and types) 400/220/132/33 KV

1. Type / installation

2. Manufacturer’s Name and

Country of manufacure

3. standard/s according to which

the isolator are manufactured

4. Maximum design voltage at which

the isolator can operate (kv)

5. frequency (Hz)

6. Rated Voltage (kv)

7. Max. current that can be safely interrupted by the isolator

Inductive (A & % PF)

Capacitive (A & % PF)

8. Continuous current rating (Amps)

9. Rated short time current

(i) For 3 second (KA rms)

(ii) Rated peak short time current (kVp)

10. Current density at the minimum cross-section of

a) Moving blade (Amps/Sq.mm)

b) Terminal pad

c) Contacts

d) Terminal Connector


11. Max. temp rise of current carrying parts when carrying rated current continuously. (deg. C)

12. factor for specified site conditions.

13. Derating Insulation levels.

i) Impulse withstand voltage (kV peak)

a) Phase to Earth

b) Across isolating Distance

ii) Switching surge withstand voltage (kV peak)

(a) Phase to Earth

(b) Across isolating Distance

iii) Power frequency withstand voltage (kV rms)

(a) Phase to Earth

(b) Across isolating distance

iv) Radio interference voltage at 1.1 times maximum line to ground voltage (micro volts)

v) Corona inception voltage (kV rms)

vi) Corona extinction voltage (KV rms)

14. Minimum clearance in air:

i) Between poles (mm)

ii) Between live parts and earth (mm)

iii) Between live part when switch is open

(a) On the same pole (mm)

(b) Between adjacent poles (mm)

15. Rated mechanical terminal load

a) Load along the terminal connector side (kg)

ii) Load across the terminal connector side(kg)

16. Torque required to operate the switch in Kg. m.

14. Contact zone

(i) Horizontal deflection (mm)

(ii) Vertical deflection (mm)


(iii) Total amplitude of longitudinal movement w.r.t. conductor supporting

fixing contact (mm)

15. Design and Construction

i) No. of Insulators per pole

ii) Contacts

a) Material and grade

b) Cross-sectional area in sq.mm

i) Moving Blades

a) Material and grade

b) Cross sectional area

ii) Contact Support

a) Material and size of channel / block

b) Material and size of plate

iii) Rain hood – Material grade and size

iv) Turn and twist mechanism

a) Material and size of clamps

b) Material and size of springs

c) Whether springs are encased

v) Nuts and Bolts.

a) Size, material and grade in live parts.

b) Size material and grade in other parts

viii) Insulator base plate

Material and size of plate below insulators

ix) Bearings.

a) Material and size of housing

b) No. of bearings, location and size

x) Tandem pipe

a) Size class and no. of pipes

b) Size of shackle, screw

c) No. of bearings / bush and its material and size

xi) Type of inter lock


xii) Down pipe size and class

xiii) Type of universal / swivel joint

a) Between bearing and down pipe

b) Between down pipe and operating mechanism

xiv) Operating mechanism

a) Control cabinet

Material and thickness

Degree of protection

Type size and no. of cable glands

Whether removable gland plate provided.

b) Make type, rating and qty. of motors per isolator

Gears

Limit switches

Contactors

Over load relay

Single phase preventor

Auxiliary switch

Terminal blocks

Insuiator wires

HRC fuses

Pole discrepancy relay

Timer

Space Heater

Interlocks

xv) Insulators

a) Type

b) No. of units per insulator stack.

c) Rating of insulator (kV)

d) Height of each insulator stack (mm)

e) Bolt circle diameter (mm)

f) Tensile strength (kg)

g) Compressive strengh


h) Torsional strength (kg. m)

i) Cantilver strength upright (kg)

j) Power frequency dry flash over voltage (kV) rms

k) Power frequency wet flash over voltage (kV) rms

l) Power frequency puncture voltage (kV) rms

m) Impulse flash over voltage (positive wave) (kV) peak

n) Impulse withstand voltage (kV) peak

o) Power frequency withstand voltage (kV) rms

p) Visual discharge voltage level (kV) rms

q) Creepage distance

Total (mm)

Protected (mm)

r) Dry arcing distance (mm)

xvi) Base

a) Size of steel sections used

b) Overall size

c) Total weight

xvii) Terminal connectors

a) Clamp Body

Alloy Composition

Plating if any

Area at min. cross section

b)Bolts and nuts size

Alloy composition

Tensile strength

c)Type of washers used

d)Materials of braids

e)Temperature rise when carrying rated current at 50 deg. C ambient (deg.C)

f)Weight of each type of clamp (kg)


List of bought out items.

Sl. No.

Particulars of components Qty. Rating

Make Type

19.0 List of test certificates (Type and routine)

20.0 List of drawings furnished.

Name of the firm …………………….

Signature of Bidder ………………….

Designation and seal ………………..

Date …………………………………….



FOR

SURGE ARRESTORS


ANNEXURE-A. GUARANTEED TECHNICAL PARTICULARS.

390 KV 216 KV 120 KV 30KV 1 Bidder’s Name and Address. 2 Manufacturer’s Name. 3 Manufacturer’s type designation. 4 Applicable standards. 5 Arrester class and type. 6 Rated Arrester Voltage (KV rms). 7 Maximum continuous operating

voltages (MCOV) at design ambient temperature (KV-rms).

8 Nominal discharge current (8/20 micro second wave) (KA).

9 Minimum discharge capability referred to rated voltage at minimum of discharge characteristics (KJ/KV).

10 Line discharge class as per IEC. 11 Maximum switching surge residual

voltage at 1 KA (KVP) for 390KV,216KV, 120KV and for 30KV at 500A.

12 Maximum switching surge residual voltage at 1 KA for 216 KV.

13 Maximum residual voltage for 8/20 micro-second current wave.

(a) At 50 % nominal discharge current. (b) At 100 % nominal discharge

current.

(c) At 200 % nominal discharge current.

14 Maximum residual voltage with 1 micro-second current wave at 10 KAP


(KVP). 15 One minute power frequency (dry) &

(wet) withstand voltage of arrester (KV-rms).

16 Impulse withstand test voltage of arrester housing with 1.2/50 micro-second wave (KVP).

17 High current short duration (4/10 micro-second impulse wave) (KAP).

18 Low current long duration (KAP). 19 Reference voltage and corresponding

reference current of arrester (KV)(mA).

20 Maximum internal leakage current by its rms or peak value and both resistive and capacitive component separately at

(a) COV (resistive/capacitive) (mA). (b) 1.1 COV (resistive/capacitive)

(mA).

(c) COV at 150°C (resistive/capacitive) (mA).

(d) Reference voltage (resistive/capacitive)(mA).

21 Pressure relief class. 22 Are the protection levels affected by

pollution of external insulation.

23 Energy absorption capability per operation of the arrester, during a switching surge discharge (KJ).

24 Maximum amount of energy that may be despatched into the arrester during discharge assuming that discharge takes place within 1 minute period and state the switching surge current (KJ/KA).

25 Internal pressure required to operate pressure relief device as a percentage of burst pressure of porcelain (KJ) & %.

26 Dynamic over-voltage withstand capability (KV-rms).

(a) For 0.1 Second. (b) For 1 Second. (c) For 10 Seconds. (d) For 100 Seconds. 27 Minimum prospective symmetrical

fault current (KA).

28 Rejection rate of ZnO blocks during


manufacturing and operation for the past three years (%) separately.

(a) 2004-2005. (b) 2005-2006. (c) 2006-2007. 29 ZnO DISC DATA. (a) Rated voltage of ZnO disc. (KV-

rms).

(b) No. of ZnO discs in a unit (Nos.) (c) No. of units of arrester (Nos.) (d) Height/thickness of ZnO discs

(mm).

(e) Diameter of ZnO disc (mm). 30 EXTERNAL INSULATION. (a) Type. (b) Applicable standard. (c)(i) Lightning Impulse withstand test

voltage of housing with 1.2/50 micro sec. Wave (KVP).

(ii) Wet switching impulse test voltage (KVP)

(d) One minute power frequency withstand voltage of arrester housing KV rms.

[i] Dry. [ii] Wet. (e) Total creepage distance of arrester

housing (mm).

(f) Cantilever strength of complete arrester (Kg-m).

31 OVER ALL DIMENSIONS. (a) Overall Height (mm). (b) Height upto top of terminal pad

from mounting plane (mm).

(c) Material of terminal pad. (d) Size of terminal pad (mm). (e) Mounting dimensions and diameter

of mounting holes (mm).

(f) Diameter of insulator (mm). (g) Total weight of complete arrester

(Kg.)

32 TERMINAL CONNECTOR. (a) Manufacturer’s Name. (b) Applicable standards. (c) Type.


(d) Material of connector. [i] Clamp body. [ii] Bolts and Nuts. [iii] Spring washers. (e) Rated current (Amps.) (f) Rated terminal load (kg.) (g) Factor of safety. (h) Minimum thickness of any part

(mm).

(i) Weight of clamp complete with hard ware (kg.)

(j) Type test report as per IS enclosed. (k) OGA Drawing enclosed. 33 INSULATORS. (a) Manufacturers Name. (b) Type. (c) Applicable standards. (d) Height (mm). (e) Diameter (top)(mm). (f) Diameter (bottom) (mm). (g) Total creepage distance (mm). (h) Rated voltage (KV – rms). (i) Power frequency withstand voltage

for 1 min. dry and wet (KV – rms).

(j) 1.2/50 micro - second impulse withstand voltage (KVP)

(k) Corona Extinction voltage (KV-rms)

(l) Weight (kg.) (m) Maximum allowable span (mm). (n) Cantilever strength (Kg – m).



FOR

33/0.433 KV,250 KVA STATION TRANSFORMER


GUARANTEED TECHNICAL PARTICULARS FOR 33/0.433 KV ,STATION TRANSFORMER:-

1. Name of the manufacturer.

2. Service.

3. KVA Rating:-

a) H.V. Winding. KVA

b) L.V. Winding. KVA

4. Highest system voltage/Nominal voltage.

a) H.V. Winding. KV

b) L.V.Winding KV

5. Rated frequency. Hz

6. Number of phases.

7. Connections:-

a) H.V. Winding.

b) L.V. Winding.

8. Connection symbol (See IS: 2026 (Part-IV-1977).

9. Tappings:-

a) Range

b) Number of steps for high


voltages variation.

10. Reference ambient temperature:-

a) Maximum ambient air/temperature. ºC.

b) Maximum daily average ambient air ºC.

temperature.

c) Maximum yearly average ambient ºC.

air temperature.

d) Minimum ambient air temperature. ºC.

e) Maximum cooling water temperature. ºC.

11. Type of cooling (See IS-2026 (Part-II)/1977.)

12. Temperature rise (See 2026 (Part-II)/1977)

a) Temperature of oil ºC.

b) Winding. ºC.

13. i) Total loss at rated nominal voltage KW

at normal tap & rated frequency.

ii) Stray loss at 75ºC.

iii) % Regulation.

14. (A) Component losses.

a) No-load loss at rated nominal voltage KW

and normal frequency.

b) Load loss at rated current and rated frequency at normal tapping at 75ºC. & at extreme taps.

(B) Resistance at normal tap & at 75ºC.

i) H.V.

ii) L.V.

15. Impedance voltage & percentage Impedance


at full rated current at 75ºC. for the

a) Normal tap.

b) Lowest tap position

c) Highest tap position.

16. Reactance at rated current and Percentage.

rated frequency.

17. No load current at rated nominal voltage and rated frequency and at 50%, 75%, 100%, 110% & 121%

voltage & at rated frequency.

18. Insulation level (See IS-2026 (Part-III/1977).

a) Separate source power frequency voltage withstand i) H.V. Winding KV rms.

ii) L.V. Winding. KV rms.

b) Induced over voltage withstand. i) H.V. Winding. KV rms.

ii) L.V. Winding. KV rms.

c) Full wave lighting impulse withstand voltage with time vrs. peak voltage characteristic curves.

i) H.V. Winding. KV Peak.

ii) L.V. Winding. KV Peak.

d) P.I. value.

19. Efficiencies at 75ºC at unity power factor.

a) At full load. Percent b) At ¾ full load -do- c) At ½ full load -do- d) At 120% of full load.

20. Regulation at full load at 75ºC

a) At unity power factor. -do- b) At 0.8 power factor loading & lagging. -do-

21. Equipment for ONAN cooling.


a) State. i) No.of Radiators on main tank.

ii) Make & type iii) Total radiating surface

iv) Thickness of radiator fins v) Clear distance between fins vi) Width of radiator fins

22. Number of coolers or cooler banks per transformer

23. Rating of each cooler or cooler bank.

24. Terminal arrangement.

a) High voltage. b) Low voltage. c) Neutral.

25. Approximate masses:-

a) Core Kg. b) Winding. Kg. c) Tank, fittings & accessories. (Name of Kg.

accessories to be mentioned).

d) Oil. Kg. e) Core coil assembly Kg.

f) radiators Kg.

g) Total mass Kg.

26. a)Approximate quantity of oil required Ltrs.

for first filling.

b)Name of the manufacturer of oil used

27. Approximate tank dimensions for

over all dimensions.

a) Length mm b) Breadth. mm c) Height. mm d) Thickness of main tank cover plate, mm

side & bottom plate.

e) Tank inside & outside dimension. mm


Length/breadth/height. No. of tubes in each

rediator. Tube length in copper, thickness

& dia. Each side tubes (Nos.).

28. Despatch details.

a) Approximate mass of heaviest package. Kg.

b) Approximate dimensions of largest package.

i) Length. mm ii) Breadth. mm

iii) Height. mm

29. Un-tanking height. mm

30. Additional technical particulars.

i) (a) i. Maximum flux density at highest system Tesla or Wo/m².

voltage & 48.5 c/s frequency.

ii) Maximum flux density at rated system

voltage & rated frequency.

(b) Maximum current density in windings. Amps/Sq.Cm

(c) Size of conductor used. HV/LV

High voltage.

Low voltage.

ii) Efficiency at 75ºC and 0.8 P.F. lagging

At full load. Percent.

At ¾ full load -do-

At ½ full load -do-

Over loading capacity & efficiency.

iii) Load at which maximum efficiency occurs. -do-

iv) Maximum efficiency. Percent.

v) Impulse level with 1/50 Micro.S. Wave. High voltage KV

Low voltage KV

vi) No-load loss at 110% rated nominal


voltage and rated frequency. KV

vii) No load current at 110% & 121% of nominal

voltage & rated frequency. Percentage.

viii) Type of winding.

High voltage.

Low voltage.

No. of turns of H.V.

No. of turns of L.V.

ix) Insulation materials.

Turn insulation high voltage.

Turn insulation low voltage.

Insulation core to low voltage.

Insulation high voltage to low voltage.

x) Clearance:-

Minimum clearance between phases.

a) In oil. mm b) Out of oil. mm

Maximum clearance high voltage to

tank in oil. mm

Minimum clearance high voltage to

earth in oil. mm

xi) Minimum clearance height for lifting

core & windings from rank. mm.

31. CORE :-

(i) Core materials used. (grade & thickness).

(ii) Loss in watts/Kg. of core materials corres- (Watts/Kg. curve to be

ponding to desired flux densities. furnished along with

the bid.).

(iii) EMF per turn


(iv) Core circumcircle dia (d).

(v) No. of core bolt holes per phase.

(vi) Dia of each core bolt holes in mm.

(vii) Net iron section (cm²). Limb/Yoke.

(viii) Weight (Kg.)

(ix) Total GI (Kg.)

(x) Total (KW).

No. of steps. 1 2 3 4

Stack in mm.

Width of core in mm.

Stacking factor of core.

------------------------------------------------------------------------------------------------------------------------ 32.(a) WINDING :-

Current per phase (Amp.) LV HV HV regulating.

conductor bare (mm) No. of

conductor insulation (mm).

Conductor section (mm²)

Current density (A/mm²)

Turns per phase (T).

Coils per limb.

Arranged.

Turns per coil.

Turns per layer.

Layers per coil.

Winding depth.

Coil dia inside.

Coil dia outside.


Length of mean turns.

Resistance at 75ºC,

Total 1² R including stray at 75ºC,

Weight of copper with/without

insulations.

(b) Radiators provided (Nos.).

No. of fins provided.

Radiator size in mm (Length x wide x fin Nos.)

Loss to be dissipated by Radiators in KW.

Dissipation per fin at 50ºC.

Thermal head in mm.

Radiator area.

33. Oil data:-

1. Quantity for first filling. Ltr.

2. Grade of oil used.

3. Maker’s name.

4. BOV at the time of filling.

5. Type of oil.

34. Make of breather and type with capacity

of silica gal filled in grams.

35. Inter layer insulation provided in design for:-

1. Top and bottom layer. mm

2. In between all layers. mm

3. Details of insulation. mm

4. Whether wedges are provided at

50% turns of the coil.

36. Insulation materials.

a) For conductors. H.V.

b) For core. L.V.


37. Particulars of bushings:-

1. Maker’s name.

2. Type IS-3347/IS-1180.

3. Rating as per I.S.

4. Dry flash over voltage

KV

5. We flash over voltage

KV.

38. I.R. value at 30ºC.

HV/E

LV/E

HV/LV

39. Polarisation Index :-

Measurement of Insulation resistance at

10 minutes/1 minute.

HV/E.

LV/E.

HV/LV.



FOR

Surge Arrestor


ANNEXURE-A. GUARANTEED TECHNICAL PARTICULARS.

390 KV 216 KV 120 KV 30KV 1 Bidder’s Name and Address. 2 Manufacturer’s Name. 3 Manufacturer’s type designation. 4 Applicable standards. 5 Arrester class and type. 6 Rated Arrester Voltage (KV rms). 7 Maximum continuous operating

voltages (MCOV) at design ambient temperature (KV-rms).

8 Nominal discharge current (8/20 micro second wave) (KA).

9 Minimum discharge capability referred to rated voltage at minimum of discharge characteristics (KJ/KV).

10 Line discharge class as per IEC. 11 Maximum switching surge residual

voltage at 1 KA (KVP) for 390KV,216KV, 120KV and for 30KV at 500A.

12 Maximum switching surge residual voltage at 1 KA for 216 KV.

13 Maximum residual voltage for 8/20 micro-second current wave.

(a) At 50 % nominal discharge current. (b) At 100 % nominal discharge

current.

(c) At 200 % nominal discharge current.

14 Maximum residual voltage with 1 micro-second current wave at 10 KAP (KVP).


15 One minute power frequency (dry) & (wet) withstand voltage of arrester (KV-rms).

16 Impulse withstand test voltage of arrester housing with 1.2/50 micro-second wave (KVP).

17 High current short duration (4/10 micro-second impulse wave) (KAP).

18 Low current long duration (KAP). 19 Reference voltage and corresponding

reference current of arrester (KV)(mA).

20 Maximum internal leakage current by its rms or peak value and both resistive and capacitive component separately at

(a) COV (resistive/capacitive) (mA). (b) 1.1 COV (resistive/capacitive)

(mA).

(c) COV at 150°C (resistive/capacitive) (mA).

(d) Reference voltage (resistive/capacitive)(mA).

21 Pressure relief class. 22 Are the protection levels affected by

pollution of external insulation.

23 Energy absorption capability per operation of the arrester, during a switching surge discharge (KJ).

24 Maximum amount of energy that may be despatched into the arrester during discharge assuming that discharge takes place within 1 minute period and state the switching surge current (KJ/KA).

25 Internal pressure required to operate pressure relief device as a percentage of burst pressure of porcelain (KJ) & %.

26 Dynamic over-voltage withstand capability (KV-rms).

(a) For 0.1 Second. (b) For 1 Second. (c) For 10 Seconds. (d) For 100 Seconds. 27 Minimum prospective symmetrical

fault current (KA).

28 Rejection rate of ZnO blocks during manufacturing and operation for the


past three years (%) separately. (a) 2004-2005. (b) 2005-2006. (c) 2006-2007. 29 ZnO DISC DATA. (a) Rated voltage of ZnO disc. (KV-

rms).

(b) No. of ZnO discs in a unit (Nos.) (c) No. of units of arrester (Nos.) (d) Height/thickness of ZnO discs

(mm).

(e) Diameter of ZnO disc (mm). 30 EXTERNAL INSULATION. (a) Type. (b) Applicable standard. (c)(i) Lightning Impulse withstand test

voltage of housing with 1.2/50 micro sec. Wave (KVP).

(ii) Wet switching impulse test voltage (KVP)

(d) One minute power frequency withstand voltage of arrester housing KV rms.

[i] Dry. [ii] Wet. (e) Total creepage distance of arrester

housing (mm).

(f) Cantilever strength of complete arrester (Kg-m).

31 OVER ALL DIMENSIONS. (a) Overall Height (mm). (b) Height upto top of terminal pad

from mounting plane (mm).

(c) Material of terminal pad. (d) Size of terminal pad (mm). (e) Mounting dimensions and diameter

of mounting holes (mm).

(f) Diameter of insulator (mm). (g) Total weight of complete arrester

(Kg.)

32 TERMINAL CONNECTOR. (a) Manufacturer’s Name. (b) Applicable standards. (c) Type. (d) Material of connector.


[i] Clamp body. [ii] Bolts and Nuts. [iii] Spring washers. (e) Rated current (Amps.) (f) Rated terminal load (kg.) (g) Factor of safety. (h) Minimum thickness of any part

(mm).

(i) Weight of clamp complete with hard ware (kg.)

(j) Type test report as per IS enclosed. (k) OGA Drawing enclosed. 33 INSULATORS. (a) Manufacturers Name. (b) Type. (c) Applicable standards. (d) Height (mm). (e) Diameter (top)(mm). (f) Diameter (bottom) (mm). (g) Total creepage distance (mm). (h) Rated voltage (KV – rms). (i) Power frequency withstand voltage

for 1 min. dry and wet (KV – rms).

(j) 1.2/50 micro - second impulse withstand voltage (KVP)

(k) Corona Extinction voltage (KV-rms)

(l) Weight (kg.) (m) Maximum allowable span (mm). (n) Cantilever strength (Kg – m).


GTP FOR CONTROL & RELAY PANEL


TECHNICAL DATA REQUIREMENTS CONTROL AND RELAY PANELS ----------------------- (Bidder’s Name ) 1. Name and address of Manufacturer of panels 1.

…………………….

2. Manufacturer’s type and designation 2.

…………………….

3. Type of construction (Simplex /duplex) 3.

……………………

4. Thickness of sheet steel 4. (i) Front i) ……………………… (ii) Back ii) …………………….. (iii) Sides iii) …………………….. 5. Degree of protection 5.

……………………..

6. Name of the manufacturer of relays. 6.

……………………..

7. DC voltage of the relays 7.

…………………….

8. Make and Model of static (o.2 accuracy class 8.

…………………….

Type ) energy meters

9. Confirm whether offered manufacturer of C&R 9……………………… Panels and protective relays have tested Commissioned & they are in successful operation For at least two years in 400 /220/132/33 kV system. For 400/220/132 KV Sub-Station


1). (A) TYRANSMISSION LINE PROTECTION Numerical Distance protection Scheme 1. Name and address of Manufacturer of Relay/panels 1.

…………………….


…………………….

3. Switched or Non-switched type (is 3. ……………………. It with separate measurements for Single/three phase faults) 4. Setting range of off set feature

4………………………

5. Whether the relay is having self 5. …………………….. Monitoring feature.

6. Whether relays is compatible for 6. ………………………

PLCC equipment and can be used for Permissive Under reach/over reach /Blocking scheme etc.

7. Suitable for single and three phase Trip? 7.

……………………..

8. Type of shaped characteristic 8.

……………………..

9. Whether it is communicable to other relays

9...............................

of different manufacturer. Also mention the

communicating protocol.

10. Features like broken conductor,SOTF,Distance

10............................

to fault locater & other features as per Tech Spec

are available or not.


11. No of tripping contacts with making 11. …………………… Capacity of 30 amp for 0.2 seconds.

12. In case 16 contacts as per above 12. ………………….. Clause are not available with the distance relay Offered, type tripping relays being offered.

13. Maximum operating time for at 50% of the 13. ………………….. Reach setting of 2 ohms and 10/20 ohms (with CVT) including all trip relays, if any (Bidder is required to enclose isochronic Curve with CVT on line)

a) at SIR=4 a) ……………………. b) at SIR=15, (3 phase faults) b) ………………….. c) at SIR=15 (other faults) c) …………………….

14. IDMT earthy fault relay meeting Normal 14................. Inverse Characteristics as per IEC 60253 Is being offered as built in feature for 400/220/132 KV lines.

15. If no, type of IDMT relay being offered 15.......................

16. Built in feature offered with the relay (YES/NO) 16........ a) Disturbance recorder a) …………………… b) Fault locater b) …………………… c) Over voltage (one stage only) c) …………………… d) Auto recluse along with Dead line d) …………………. e) Charging and check synchronizing. e) …………………. 17. Indicate the no. of Binary Input & Out put contacts 17........................


(B) STATIC DISTANCE PROTECTION SCHEME 1. Name and address of Manufacturer 1.

…………………….


…………………….

3. Switched or Non-switched type (is 3. ……………………. it with separate measurements for Single/three phase faults) 4. Setting range of off set feature.

4………………………

5. Whether the relay is compatible for PLCC 5. ……………………. Equipment and can be used for permissive Under reach/over reach/Blocking scheme etc. 6. Suitable for single and three phase Trip 6. ……………………… 7. Type of shaped characteristic 7. …………………. 8. No of tripping contacts with making 8. …………………… Capacity of 30 amp for 0.2 seconds.

9. In case 16 contacts as per above 9. ………………….. Clause are not Available with the distance relay Offered, type of tripping relays being offered.

10. Maximum operating time for at 50% of the 10. ………………….. Reach setting of 2 ohms and 10/20 ohms (with CVT) including all trip relays, if any (Bidder is required to enclose isochronic Curve with CVT on line)

a) at SIR=4 a) ……………………. b) at SIR=15, (3 phase faults) b) ………………….. c) at SIR=15 (other faults) c)

………………….

11. Built in feature offered with the relay (YES/NO)


a) Disturbance recorder a) …………………… b) Fault locator b) …………………… c) Over voltage (one stage only) c) …………………… d) Auto recluse along with Dead line d) …………………. Charging and check synchronizing. (C) BACKUP DIRECTIONAL OVER CURRENT AND EARTH FAULT PROTECTION SCHEME( Numerical) 1. Name and address of Manufacturer 1.

…………………….


…………………….

3. Three over current and one E/F elements 3.

…………………..

Are whether independent or composite unit

4. Type of relay (Numerical) 4.

………………….

5. Directional sensitivity. 5.

…………………..

6. Whether characteristics conform to IEC 255-3 6.

…………………..

7. Over current unit setting range inverse time

7……………………

8. Earth fault unit setting range inverse time 8.

………………..

9. VT Fuse failure relay/ feature included 9. …………………. For alarm. 10. Whether it is communicable to other relays

10...............................

of different manufacturer. Also mention the

communicating protocol.


(D) LINE OVER VOLOTAGE PROTECTION RELAY

1. Name and address of Manufacturer. 1.

…………………….


…………………….

3. Type of relay (Electromechanical/static/Numerical) 3.

…………………..

4. Operation indicator provided? 4.

………………….

5. Operating time 5.

………………….

6. Resetting time 6. ……………….

7. Whether monitors all three phases? 7.

………………..

8. Built in feature of Main/Main 2 distance 8. …………………. Relay is offered. If so, which stage is Offered as built in

(E) DISTANCE TO FAUALT LOCATOR 1. Name and address of Manufacturer of panels 1. ……………………. 2. Manufacturer’s type and designation 2.

…………………….

3. Built in feature of Main/Main 2 distance 3. …………………. Relay is offered 4. Maximum registering time 4. …………………. 5. Whether direct display unit provided? 5. …………………. 6. Whether both phase to phase fault and 6. ………………….. Phase to earth fault measuring units included?


7. Whether-On-Line type 7. …………..... 8. Accuracy for the typical conditions defined 8. ……………….. Under technical specification. (F) DISTURBANCE RECORDER a. Acquisition unit. 1. Name and address of Manufacturer . 1.

…………………….


…………………….

3. No. of analogue channels 3.

…………………..

4. No. of digital recording channels. 4.

……………………

5. Built in feature of Main 1/ Main 2 distances. 5.

…………………..

Relay is offered.

6. Pre-fault memory (milli seconds) 6. ……………….

7. Post fault memory (seconds) 7. …………….

8. Total storage memory is seconds. 8.

…………….

9. Sampling Frequency. 9. …………….

10. Resolution of the event channels (ms) 10. …………….

11. Time display present? 11.

………………

12. Data out put in COMTRADE is available. 12.

………………

b. Evaluation Unit. 1. Name and address of Manufacturer 1. …………….

2. Manufacturer’s type and designation 2………………


3. No. of acquisition unit that can be connected` 3. To one evaluation unit. 4. Technical parameters of evaluation unit 4.

A. Processor and speed. A.

B. RAM and hard disk capacity. B.

C. Additional facilities. C.

D. Details of printer. D.

5. Details of power supply arrangement for 5. Acquisition unit (including printer). (G) AUTO RECLOSE RELAY 1. Name and address of Manufacturer. 1…………… 2. Manufacturer’s type and designation. 2. ………. 3. Electromechanical/ static /numerical. 3……………

4. Auto re closure relay along with Dead line charging 4. And check synchronizing relay (For 132 KV Lines) offered as a part of distance relay. 5. Built in feature of Main 1/ Main 2 distances. 5.

…………………..

Relay is offered.

6. Suitable for single and three phase? 5. …………..

7. Single phase dead time setting Range. 6. ……………

8. Three phase dead time setting range. 7. …………. 9. Reclaim time setting range. 8……………

2.)


TRANSFORMER PROTECTION a) Differential relay. 1. Name and address of Manufacturer 1. …………….


3. Second harmonic restraint provided. 3. ………….

4. Whether three instantaneous units provided 4. ………….

5. Operating current setting range. 5…………..

6. Bias setting range,. 6. ………..

7. Operating time at 5X setting current. 7. ………..

8. Resetting time. 8. ……….

9. How ratio / phase angle corrections are being 9. …………… done (inter posting transformer/ internal feature

in the relay) 10. Whether numerical or not 10................. 11. Fifth Harmonic restraint feature. 11................ 12. Communication protocol 12.............. b) Restricted Earth Fault Protection 1. Name and address of Manufacturer 1. …………….

2. Manufacturer’s type and designation 2……………… 3. Operating time at 2 x setting. 3. …………….. 4. Whether numerical 4................. 5. Whether suitable for all type of transformer 5............. windings or not. c) Over Fluxing relays. 1. Name and address of Manufacturer 1. …………….


3. Whether inverse time operating characteristics 5. ………….

4. Maximum operating time. 6. …………….

5. Accuracy of operating time. 7.

………….

6. Resetting time. 8. ………….

d) Directional O/C and E/F relays.


1. Name and address of Manufacturer 1. …………….


3. Whether Characteristic will confirm to IEC 255-3 3…………….

4. Directional sensitivity. 4………………

5. Over current unit setting range 5. …………..

a) Inverse time a) ……

b) High set b) ………….

6. Earth fault unit setting range. 7. ……………

a) Inverse time a) ……………

b) High set b) …………..

7. Whether numerical 7................

8. Features of disturbance recording 8..............

3)

GENERAL PROTECTION / MONITORING EQUIPMENT a) Trip Circuit Supervision relay. 1. Name and address of Manufacturer 1. …………….


3. Whether pre-closing and post closing 3. …………… Supervision provided? 4. Time delay. 4. …………… b) High Speed Trip Relays. 1. Name and address of Manufacturer 1. …………….


3. Contact rating. 3. …………… a) Making and carry continuously a) …………. b) Make and carry for 0.5 sec. b)…………. c) Break. c) ………….. i) Resistive load. I) …………… ii) Inductive load. Ii) …………… (With L/R= 40 milli sec.). 4. Operating time at rated voltage (maximum) 4. ……………

5. Resetting time .. 5. ………….


6. Whether supervisory relays included. 6. ……………

c) Local breaker back-up protection. 1. Name and address of Manufacturer 1. …………….


3. Operating time 3. …………….

4. Resetting time. 4. ……………

5. Setting ranges 5. ……………

a) Current a) …………..

b) Time. b) …………..

4) BUS BAR PROTECTION 1. Name and address of Manufacturer 1. …………….


3. Type of relay (Numerical) 3. …………… 4. Principle of operation (Biased.High/Low impedance) 4. ………….

5. Operating time 5. …………….

6. Resetting time. 6. ………….. 7. Resetting ranges. 7. ………….. (i) Current. (i) ……….. (ii) Time. (ii) …………… 8. Whether will it cause tripping for the differential 8. …………….. Current below the load current of heavily Loaded feeder (Bidder shall submit application Check of the same). 9. Whether LBB protection features available. 9...................... 10. Features of disturbance recording 10..................

11. Communication protocol 11.............. 5) Meters and Instruments Indicating meters. 1. Name and address of Manufacturer 1. …………….



3. Operating principle or type of movement. 3. ………….. 4. Range: 4. …………….

(i) Voltage. (i) ……………

(ii) Current (ii) ………….

(iii) Frequency (iii) ……………

iv) Megawatt (iv) …………….

v) Megavar (v) ……………..

5. Accuracy class. 5. ……………….

6. Total deflection angle 6. ………………

7. Overall dimensions in mm. 7. ………………

8. Burden 8. …………….

(i) Current coil (i) ……………

(ii) Voltage coil. (ii) …………..

9. Digital type 9...............

a) Recording Meter for voltage 1. Name and address of Manufacturer 1. …………….


3. Accuracy class. 3. ……………

4. Full span response time 4. …………..

5. Is it strip type recorder/ digital type 5. ……………

6. If it is digital type 6……………

i) No of channels beings used. I) ………………..

ii) Whether time tagged information is available ii) ……………..

iii) Whether EMNC./EMI compatibility is tested iii) …………….

b) Recording Meter for Current 1. Name and address of Manufacturer 1. …………….









iii) Whether EMNC./EMI compatibility is tested iii) …………….

c) Recording Meter for MW 1. Name and address of Manufacturer 1. …………….








iii)Whether EMC./EMI compatibility is tested i ii) ……………. d) Recording Meter for MVAR 1. Name and address of Manufacturer 1. …………….








iii)Whether EMC./EMI compatibility is tested iii) ……………. e) Recording Meter for frequency. 1. Name and address of Manufacturer 1. …………….


3. Accuracy class 3. …………..

4. Full span response time. 4. …………..

5. Is it strip type recorder/ digital type 5. …………..





iii) Whether EMC./EMI compatibility is tested iii) …………….

6) OTHERS: a) Terminal Block 1. Name and address of Manufacturer 1. …………….


3. Rated current. 3. ……………

4. Rated voltage. 4. ……………

5. Minimum no. of conductors of area 5. 2.5mm² suitable for connection. (i) All circuits except CT./P.TCircuits.

(i)……………

(ii) C.T. Circuits. (ii) ………….

b) Switches. i) Control Switches. 1. Name and address of Manufacturer 1. …………….


3. No.of contacts. 3. ……………

4. Type of handle. 4. ……………..

5. Rating of handle. 5. …………….

6. Rating of contacts. 6. ……….. …….

a) Make and carry continuously. a) …………..

b) Make & carry for 0.5 sec. b) …………….

c) Break resistive load, in Amps (d.c) c) ………..

d) Break inductive load with L/R=40 m.sec d) ………….. inn Amps. (d.c) 7. Life of switch in terms of million mechanical 7. operations

ii) Synchronizing switch 1. Name and address of Manufacturer 1. …………….



3. Contact ratings. 3. …………..

4. No.of positions. 4. ……………

5. Removable handle type? 5. ……………

6. No.of contacts 6. ……………

iii) Indicating Lamps. 1. Name and address of Manufacturer 1. …………….


3. Ratings

(i) Current (i) …….

(ii) Voltage (ii) …………

(iii) Wattage (iii) …………

4. Whether series resistors are provided? 4. ……………

5. If series resistors provided, give 5. ……………

(i) Ohmic value (i) ……..

(ii) Wattage (ii) …………..

6. Life of Lamps in burning hours. 6. ……………

7. Permissible voltage variation 7. …………..

8. Whether LED type 8...............

iv) Push Buttons. 1. Name of Manufacturer. 1.

…………………….


3. Contact ratings. 3. …………..

4. No.of contacts 4. ……………

v) Semaphore Indicators. 1. Name and address of Manufacturer 1. …………….


3. Is colour similar to mimic? 3. ………….

4. No.of positions 4. …………….

5. Burden DC 5. …………..


6. Is the coil continuously rated? 6. …………..

vi) Trransducers. 1. Make 1. …………….

2. type & Model No. 2. ……………..

3. Nominal AC input voltage. 3. …………….

4. Frequency. 4. ……………..

5. Input measuring Range 5. ………………

6. Output current range. 6. ……………..

7. Accuracy range. 7.

8. Response time. 8……………….

9. A.C. ripple on output 9. ……………….

10. Load Resistance (Maxm.) 10.

……………….

11. Auxiliary supply voltage.. 11.

……………….

vii) Annunciators. 1. Make 1. ………………

2. Type & Model No. 2. ………………

3. Static/electromechanical 3. ……………….

4. No. of lamps per window 4. ………………

5. Lamps 5.

……………….

a) Voltage a) ……………… b) Wattage. b) …………….. 6. Minimum duration of impulse for initiating. 6. …………… Contact in millisecond 7. Type of reset self/manual. 7…………….. Bidders Name: Bidders Signature:


GTP FOR LIGHTING


LYGHTING SYSTEM

A Lighting System & Accessories A 1. Manufacturer’s Name and address 1………………………………………….. a) Fixture a)…………………………………………. b) Accessories b)…………………………………………. 2. Applicable Standards for 2…………………………………………… a) Fixture a)…………………………………………. b) Accessories b)…………………………………………. 3. Manufacturer’s Name type and catalogue no. for 3. …………………………………………. a) Fixture a)…………………………………………. b) Accessories b)…………………………………………. 4. maximum permissible supply voltage Variation for satisfactory operation of a) Fixture a)………………………………………….

b) Accessories b)…………………………………………. B. Conduits & Accessories B. (For each type & size) 1. Manufacturer’s Name and address 1. …………………………………………

2. Manufacturer’s type, designation 2. ………………………………………….

3. Applicable standard 3. …………………………………………

C. Junction Boxes C (For each type & size) 1. Manufacturer’s Name and address 1. …………………………………………


2. Manufacturer’s type, designation 2. ………………………………………….

3. Type of enclosure 3. …………………………………………

D. Lighting panels D. (For each type & size) 1. Manufacturer’s Name and address 1. …………………………………………

2. Type 2. …………………………………………

3. Degree of Protection 3. …………………………………………

E. Lighting Transformer E. 1. Manufacturer’s Name and address 1. …………………………………………

2. Type 2. …………………………………………

3. Rating (KVA) 3. …………………………………………

4. Standards Applicable 4. …………………………………………

5. Degree of protection for enclosure 5. …………………………………………

F. Lighting Ploes 1. Manufacturer’s Name and address 1. …………………………………………

2. Type 2. ………………………………………..

3. Dimensions 3. ………………………………………..

G. Lighting Wires. G. 1. Manufacturer’s Name & Address. 1. ……………………………………….. 2. Voltage grade 2. ……………………………………….. 3. Cross section of conductor. 3. ………………………………………..


4. Insulation Thickness. 4. ……………………………………… Bidders Name: Bidders Signature:


GTP FOR DISTRIBUTION

BOARD


DISTRIBUTION BOARD L.T. Switchgear 1. Manufacturer’s Name 1. ………………………………… 2. Whether Manufacturer’s have supplied 2. YES NO 50 Nos. draw out Air circuit breaker

panel out of which 5 Nos. are with CT and relaying scheme.

3. Whether manufacturer’s have supplied 3. YES NO

50 Nos. MC panels similar to the offered panels.

4. Whether 100 nos. (at least ) circuit breakers of 4. YES NO the make and type being offered are already been operating satisfactorily.

5. Rated short circuit current 5.

5.1 Symmetrical short circuit withstand 5.1 ………………………………………

Current at rated voltage of switchgear cubicle.

5.2 Peak short circuit withstand current 5.2 ………………………………… 6. Degree of protection. 6. ……………………………………….. 6.1 Breaker / MCC/ AC & DC 6.1. ………………………………….. 6.2 Distribution Cubicles. 6.2 ………………………………….. 6.3 Busbar Chamber 6.3 ………………………………….. 7. Standard height, width & depth of typical panel 7. 7.1 Circuit Breaker Panel 7.1 ………………………………….. 7.2 MCC panel 7.2 …………………………………


7.3 AC/DC Distribution Board. 7.3 ………………………………… 8. Width of cable alley 8. ……………………………………

9. Whether equipment are type tested as per IS 9. YES NO

Bidders Name: Bidders

Signature:



FOR

TRANSMISSION LINE 400/220/132 KV


GUARANTED TECHNICAL PARTICULARS TO BE FIILED BY THE BIDDERS SCHEDULE : B

Manufacturers And Place Of Manufacture, Testing And Inspection

(To be filled up by Bidder)

Item Manufacturer Place of manufacture

Place of testing and inspection

Line conductors (ACSR) : SUPPLIED BY THE EMPLOYER

Earthwire (galvanised steel) :

Steel billets

Drawing steel wires

Stranding complete conductors

Insulator units

HV testing laboratory - -

Insulator set fittings

Earthwire fittings

Conductor joints

Conductor spacers/spacer dampers

Vibration dampers (for earthwires and conductors)

Steel towers :

Design

Steel billets, etc.

Steel sections

Fabrication

Galvanising

Check assembly

Tower tests - -

Bolts and nuts

Tower fittings


Earthing materials

SCHEDULE : C General Technical Particulars And Guarantees

(Parameters considered and guaranteed by the Bidder for the purpose of this Contract. The data filled in shall form the part of the Contract,

in case of Award and shall be binding on the Contractor )

C. 1 - Span Lengths

(To be filled up by the Bidder )

Unit 132kV 220kV 400kV Normal span m Tower design spans: Wind spans: Suspension towers m Tension towers m Maximum weight spans: Suspension towers m Tension towers m Minimum weight spans: Suspension towers m Tension towers (uplift net) m


C . 2 - Line Conductor : 132 kV Construction (To be filled up by the Bidder )

Unit

Complete line conductor:

Actual area (total) per single conductor mm2

Number of conductors per phase

Horizontal distance between conductor centres of one phase

mm

Each single conductor:

ACSR conductor of code name

IEC STANDARD No

INDIAN STANDARD No

Material of conductor

Number and diameter of wires:

Aluminium No./mm

Total area of conductor mm2

Overall diameter of stranded conductor mm

Mass of conductor per kilometre kg

Ultimate strength of conductor Newton

Maximum tension of conductor at 5°C and 36% full wind pressure

Newton

Maximum tension of conductor at 32°C with full wind pressure Newton

Maximum tension of conductor in still air at minimum temperature of 5°C

Newton

Assumed equivalent modulus of elasticity of conductor N/mm2


Assumed equivalent coefficient of linear expansion of conductor

per °C

C . 2 - Line Conductor : 132 kV Construction (Continued) (To be filled up by the Bidder)

Unit

Vibration damping system:

*Maximum span for:

One vibration damper at each end of span m

Two vibration dampers at each end of span m

Three vibration dampers at each end of span m

Dimensions from clamp mouth to vibration damper attachment:

First damper mm

Second damper when required mm

Third damper when required mm

* Delete as appropriate and fill in details for selected damping system (After placement of order, the Contractor has to carry-out vibration analysis and furnish a detailed vibration damper placement chart, as has been specified at Clause No. 2.3.14, for the approval of the Project Manager. )


C . 3 - Line Conductor : 220 kV Construction (To be filled up by the Bidder)

Unit

Complete line conductor:

Actual area (total) per single conductor mm2

Number of conductors per phase

Horizontal distance between conductor centres of one phase mm

Each single conductor:

ACSR conductor of code name

IEC STANDARD No

INDIAN STANDARD No

Material of conductor

Number and diameter of wires:

Aluminium No./mm

Total area of conductor mm2

Overall diameter of stranded conductor mm

Mass of conductor per kilometre kg

Ultimate strength of conductor Newton

Maximum tension of conductor at 5°C and 36% full wind Newton

Maximum tension of conductor at 32°C with full wind Newton

Maximum tension of conductor in still air at minimum temperature of 5°C

Newton

Assumed equivalent modulus of elasticity of conductor N/mm2


Assumed equivalent coefficient of linear expansion of conductor

per °C

C . 3 - Line Conductor : 220 kV Construction (Continued)

(To be filled up by the Bidder) Unit

Vibration damping system:

*Maximum span for:





First damper mm



* Delete as appropriate and fill in details for selected damping system (After placement of order, the Contractor has to carry-out vibration analysis and furnish a detailed vibration damper placement chart, as has been specified at Clause No. 2.3.14, for the approval of the Project Manager. )


C . 4 - Line Conductor : 400 kV Construction

(To be filled up by the Bidder) Unit Complete line conductor: Actual area (total) per single conductor mm2 Number of conductors per phase Horizontal distance between conductor centres of one phase mm Each single conductor: ACSR conductor of code name IEC STANDARD No INDIAN STANDARD No Material of conductor Number and diameter of wires: Aluminium. No./mm Total area of conductor mm2 Overall diameter of stranded conductor mm Mass of conductor per kilometre kg Ultimate strength of conductor Newton Maximum tension of conductor at 5°C and 36% full wind Newton Maximum tension of conductor at 32°C with full wind Newton Maximum tension of conductor in still air at minimum temperature of 5°C

Newton

Assumed equivalent modulus of elasticity of conductor N/mm2 Assumed equivalent coefficient of linear expansion of conductor

per °C


C . 4 - Line Conductor : 400 kV Construction (Continued) (To be filled up by the Bidder)

Unit

Vibration damping system and Spacing system:

*Maximum span for:





First damper mm



Mean sub span for spacers m

If spacer dampers are to be offered:

Mean sub span for spacer dampers m

* Delete as appropriate and fill in details for selected damping system (After placement of order, the Contractor has to carry-out vibration analysis and furnish a detailed vibration damper placement chart, as has been specified at Clause No. 2.3.14, for the approval of the Project Manager. Also ,for spacer and spacer damper the Contractor shall furnish placement chart, for the approval of the Project Manger, as per the Clause No. 2.4.3.2 and 2.5.20 respectively. )


C . 5 - Earth Wire : 132 kV and 220 kV Constructions (To be filled up by the Bidder)

Unit GSW Complete earth conductor: Appropriate Indian Standard No Appropriate IEC Standard No Material of conductor Number and diameter of wires No./mm Overall diameter of conductor mm Mass of conductor per kilometre kg Ultimate strength of conductor Newton Lay length Direction of the lay of the outer layer Chemical composition of the steel wire Carbon Manganese Phosphorous Sulphur Silicon Purity of Zinc for galvanising Steel strands after galvanising Diameter Minimum breaking load of one strand Galvanising

a) Minimum weight of Zinc coating per sq.m. of the uncoated wire surface after galvanising

mm

%

%

mm

kNgms


C . 5 - Earth Wire : 132 kV and 220 kV Constructions (Continued) (To be filled up by the Bidder)

Unit GSW b) Minimum no. of one minute dips that the galvanised

strand can withstand after stranding in Standard Preece Test

Nos.

Maximum tension at 5°C and 36% full wind

Newton

Maximum tension at 32°C with full wind Newton Maximum tension of conductor in still air at 5°C Newton Assumed equivalent modulus of elasticity of

Conductor hbar Assumed equivalent coefficient of linear expansion of conductor per °C Maximum length of conductor on drum # km D.C. resistance at 20 o C ohms/km Maximum span for:



Three vibration dampers at each end of span m Dimensions from clamp mouth to vibration damper attachment

First damper mm



# It is permitted to supply two lengths of 2 kms each, in a single drum. (After placement of order, the Contractor has to carry-out vibration analysis and furnish a detailed vibration damper placement chart, as has been specified at Clause No. 3.3 , for the approval of the Project Manager. )


C . 6 - Earth Wire : 400 kV Construction (To be filled up by the Bidder)

Unit GSW Complete earth conductor: Appropriate Indian Standard No Appropriate IEC Standard No Material of conductor Number and diameter of wires No./mm Overall diameter of conductor mm Mass of conductor per kilometre kg Ultimate strength of conductor Newton Lay length Chemical composition of the steel wire Carbon Manganese Phosphorous Sulphur Silicon Purity of Zinc for galvanising Steel strands after galvanising Diameter Minimum breaking load of one strand Galvanising a) Minimum weight of Zinc coating per sq.m. of the

uncoated wire surface after galvanising b) Minimum no. of one minute dips that the galvanised

strand can withstand, after stranding in Standard Preece Test.

mm

%

%

mmkN

gms


C . 6 - Earth Wire : 400 kV Construction (Continued) (To be filled up by the Bidder)

Unit GSW Maximum tension at 5°C and 36% full wind pressure Newton Maximum tension at 32°C with full wind pressure Newton Maximum tension of conductor in still air at 5°C Newton Assumed equivalent modulus of elasticity of Conductor hbar Assumed equivalent coefficient of linear expansion of conductor °C Maximum length of conductor on drum # km D.C. resistance of the complete earthwire at 20OC ohms/km. Direction of lay of the outer layer Maximum span for:




Dimensions from clamp mouth to vibration damper attachment

First damper mm


Third damper when required mm # It is permitted to supply two lengths of 2kms each, in a single drum. (After placement of order, the Contractor has to carry-out vibration analysis and furnish a detailed vibration damper placement chart, as has been specified at Clause No. 3.3 , for the approval of the Project Manager.)


C . 7 - Earthwire Fittings and Accessories (To be filled up by the Bidder)

Unit GSW:7/3.15 GSW:7/3.66 Suspension Clamps Total drop

mm

Weight of the assembly

kg

Breaking load

kN

Slipping strength

kN

Tightening torque

kN

Galvanising

a) Minimum weight of Zinc coating per Sq.m. of uncoated surface

gms./sq.m

b) No. of one minute dips all the galvanised

parts can withstand in Standard Preece test

c) Purity of Zinc used for galvanising % Tension Clamps

Total weight of the assembly

kg

Weight of the steel parts

kg

Weight of the Aluminium encasing

kg

Slipping strength of the clamp

kN

Minimum breaking load of the assembly

kN

Compression pressure Tonne

a) Steel sleeve

b) Aluminium encasing

Inside diameter ( Before compression ) mm

a) Steel sleeve



C . 7 - Earthwire Fittings and Accessories (continued ) (To be filled up by the Bidder)

Unit GSW:7/3.15 GSW:7/3.66 Outside dimension of the steel sleeve mm

a) Before compression

b) After compression

i) Corner to corner

ii) Surface to surface

Outside diameter of the Aluminium encasing (Before compression )

mm

Outside dimension of the clamp after compression of the Aluminium encasing

mm

Length of the steel sleeve mm



Final dimension of the clamp after compression with Aluminium encasing

mm

Brinnel hardness no. of the steel sleeve (range)

Resistance of the completed tension clamp

ohms

Galvanising : a) Minimum weight of Zinc coating per Sq.m. of uncoated surface

gms./sq.m

b) No. of one minute dips all the galvanised parts can withstand in Standard Preece test

c) purity of Zinc used for galvanising % Mid-span compression joints for earthwire

Total weight of the joints kg

Weight of the steel sleeve

kg

Weight of the aluminium sleeve

kg


C . 7 - Earthwire Fittings and Accessories (continued )

(To be filled up by the Bidder) Unit GSW:7/3.15 GSW:7/3.66 Inside diameter before compression mm

a) Steel sleeve


Outside diameter before compression mm

a) Steel sleeve


Outside dimensions of the joint after compression mm

a) Steel sleeve

i) Corner to corner

ii) Surface to surface

b) With aluminium encasing

Length of the steel sleeve mm



Final length of the joint after compression with aluminium encasing

mm

Compression pressure

Tonne

Slipping strength

kN

Resistance of the completed joint

ohms

Galvanising : a) Minimum weight of Zinc coating per Sq.m. of uncoated surface

gms./sq.m

b) No. of one minute dips all the galvanised parts can withstand in Standard Preece test

c) Purity of Zinc for galvanizing % Flexible copper bonds

Resistance of the Cu-bond

ohms

Total weight of the Cu-bonds

kg

Slipping strength kN


C . 8 - Conductor(ACSR) Fittings and Accessories

(To be filled up by the Bidder) Unit PANTHER ZEBRA MOOSE Mid-span compression joints for Conductors

Weight of the joints

kgs

Slipping strength

kN

Resistance of the completed joints

ohms

Material of the joints (specify alloy type and its aluminium contents )

Before compression dia. of sleeve mm a) Inner diameter b) Outer diameter

Dimensions after compression mm a) Corner to corner b) Surface to surface

Length of the sleeve mm a) Before compression b) After compression


Tonne

Whether designed for intermittent or continuous compression

Minimum corona extinction voltage under dry conditions

kV

Radio interference voltage under conditions

Micro Volts


C . 8 - Conductor(ACSR) Fittings and Accessories (continued ) (To be filled up by the Bidder)

Unit PANTHER ZEBRA MOOSE Repair sleeve for conductors

Weight of the sleeve

kgs

Before compression dia. of sleeve mm a) Inner diameter b) Outer diameter


Length of the sleeve mm a) Before compression b) After compression


Tonne


kV


Micro Volts

T-connector (only for ACSR MOOSE)

Weight of the T-connector

kgs

Axial tensile strength of the welded portion of the T-connector

kN

Breaking strength of the T-connector

kN

Resistance of the completed T- connection

ohms


C . 8 - Conductor(ACSR) Fittings and Accessories (continued ) (To be filled up by the Bidder)

Unit PANTHER ZEBRA MOOSE Before compression dia. of the T-connector

mm

a) Inner diameter b) Outer diameter


Length of the T-connector mm a) Before compression b) After compression


Tonne


kV


Micro Volts


C . 9 - Vibration Damper For Conductor and Earthwire ( To be completed by the Bidder )

Vibration Dampers for ACSR PANTHER Unit Total weight of the damper

kgs

Left Right Weight of each damper mass

kgs

Resonance frequencies 1) First frequency Hz 2) Second frequency

Hz

Dimension of each damper mass

mm

Material of : 1) Damper mass 2) Messenger cable

No. of strands in messenger cable

Lay ratio of the messenger cable strands

Min. tensile strength of messenger cable

kg/sq.mm.

Mass pull-off strength

kN

Clamping torque

kg.-m

Slipping strength of the damper clamp kN 1) Before fatigue test 2) After fatigue test

Magnetic power loss per vibration damper

Watts

Min. corona extinction voltage under dry conditions

kV

Radio interference voltage under dry conditions at 1MHz , at 105 kV

Micro Volts

Percentage variation in reactance after fatigue test in comparision with that before the fatigue test

%

Percentage variation in power dissipation after fatigue test in comparision with that before the fatigue test

%


C . 9 - Vibration Damper For Conductor and Earthwire (Continued ) ( To be completed by the Bidder )

Vibration Dampers for ACSR PANTHER Unit Galvanising of ferrous parts (if any ) 1) Minimum weight of Zinc coating per Sq.m. of the uncoated surface

gm/sq.m

2) Minimum No. of one minute dips the ferrous parts can withstand in the Standard Preece Test

Nos.

3) Purity of Zinc used for galvanizing % Vibration Dampers for ACSR ZEBRA Total weight of the damper

kgs


kgs


Hz


mm





kg/sq.mm.


kN

Clamping torque

kg.-m



C . 9 - Vibration Damper For Conductor and Earthwire (Continued )

( To be completed by the Bidder )

Vibration Dampers for ACSR ZEBRA Unit Magnetic power loss per vibration damper

Watts


kV

Radio interference voltage under dry conditions at 1MHz, at 154 kV

Micro Volts


%


%

Galvanising of ferrous parts (if any ) 1) Minimum weight of Zinc coating per Sq.m. of the uncoated surface

gm/sq.m


Nos.

3) Purity of Zinc used for galvanizing % Vibration Dampers for ACSR MOOSE Total weight of the damper

kgs


kgs


Hz


mm





Vibration Dampers for ACSR MOOSE Unit No. of strands in messenger cable



kg/sq.mm.


kN

Clamping torque

kg.-m


Magnetic power loss per vibration damper

Watts


kV

Radio interference voltage under dry conditions at 1MHz , at 305 kV

Micro Volts


%


%


gm/sq.m


Nos.

3) Purity of Zinc used for galvanizing %



( To be completed by the Bidder ) Vibration Dampers for 7/3.15mm Earthwire Unit Total weight of the damper

kgs


kgs


Hz


mm





kg/sq.mm.


kN

Clamping torque

kg.-m



%


%




Vibration Dampers for 7/3.15mm Earthwire Unit Galvanising of ferrous parts (if any ) 1) Minimum weight of Zinc coating per Sq.m. of the uncoated surface

gm/sq.m


Nos.

3) Purity of Zinc used for galvanizing % Vibration Dampers for 7/3.66mm Earthwire Total weight of the damper

kgs


kgs


Hz


mm





kg/sq.mm.


kN

Clamping torque

kg.-m



C . 9 - Vibration Damper For Conductor and Earthwire (Continued ) ( To be completed by the Bidder )

Vibration Dampers for 7/3.66mm Earthwire Unit Percentage variation in reactance after fatigue test in comparision with that before the fatigue test

%


%


gm/sq.m


Nos.

3) Purity of Zinc used for galvanizing %


C . 10 - Bundle Spacers For 400kV Line Conductors (To be filled up by the Bidder)

Unit Material of component parts(indicate type of alloy) 1) Insert 2) Main body 3) Retaining rods ( if any )

Manufacturing process for 1) Insert 2) Main body 3) Retaining rods ( if any )

Retaining rods (if used ) 1) Type of alloy used 2) No. of retaining rods used for each spacer 3) Diameter of the rod mm 4) Length of the rod mm 5) Total weight of one set of the rods

kgs

Elatomer 1) Supplier 2) Type 3) Moulded on the insert or not 4) Shore hardness 5) Thickness on the insert mm 6) Temperature for which designed

oC

Minimum strength of the spacer 1) Compressive load kN 2) Tensile load

kN

Weight of the spacer

kgs

Designed clamping torque (if applicable )

kg-m

Slipping strength of spacer clamp 1) Before vibration test kN 2) After vibration test

kN


C . 10 - Bundle Spacers For 400kV Line Conductors (Continued ) (To be filled up by the Bidder)

Unit Magnetic power loss per spacer Watts Galvanising of ferrous parts (if any ) 1) Minimum weight of Zinc coating per Sq.m. of the uncoated surface

gm/sq.m


Nos.

3) Purity of Zinc used for galvanising % Min. corona extinction voltage under dry conditions

kV

Radio interference voltage under dry conditions

Micro Volts

Electrical resistance of the elastomer cushioned spacer (specify the range )

ohms


C.11 - Bundle Spacers For Jumpers Of 400kV Lines

(To be filled up by the Bidder) Unit Material of component parts (indicate type of alloy) 1) Insert 2) Main body

Manufacturing process for 1) Insert 2) Main body


oC

Minimum strength of the spacer for jumpers 1) Compressive load kN 2) Tensile load

kN

Weight of the spacer for jumpers

kgs

Designed clamping torque for spacer for jumpers

kg-m

Slipping strength of spacer clamp for jumpers

kN

Magnetic power loss per spacer for jumpers

Watts


gm/sq.m


Nos.


kV


MicroVolt

Electrical resistance of the elastomer cushioned spacer for jumpers (specify the range )

ohms


C.12 - Spacer Dampers For 400kV Line Conductors (To be filled up by the Bidder)

Unit Material of component parts (indicate type of alloy / rubber component)

1) Insert 2) Main body 3) Retaining rods ( if any ) 4) Damping ball

Manufacturing process for 1) Insert 2) Main body 3) Retaining rods ( if any ) 4) Damping ball

Retaining rods (if used ) 1) Type of alloy used 2) No. of retaining rods used for each unit 3) Diameter of the rod mm 4) Length of the rod mm 5) Total weight of one set of the rods

kgs


oC

Minimum strength of the spacer damper 1) Compressive load kN 2) Tensile load kN


C.12 - Spacer Dampers For 400kV Line Conductors ( Continued ) (To be filled up by the Bidder)

Unit Weight of the spacer damper

kgs

Designed clamping torque (if applicable )

kg-m

Slipping strength of spacer damper clamp 1) Before vibration test kN 2) After vibration test

kN


gm/sq.m


Nos.


kV


Micro Volts

Magnetic power loss per spacer damper

Watts

Electrical resistance of the elastomer cushioned spacer damper (specify the range )

ohms


C.13 - Disc Insulator Units ( Standard Type ) (To be filled up by the Bidder)

Unit 70kN 90kN 120kN 160kN Weight of the single disc unit kg Size and designation of the ball pin shank

mm

Diameter of the disc mm Tolerance on the diameter +/-mm Ball to ball spacing between disc mm Tolerance on ball to ball spacing +/-mm Minimum creepage distance of a single disc

mm

Positive tolerance on the minimum creepage distance

+mm

Shell material ( Glass/Porcelain ) Power frequency flashover voltage (rms) of single disc unit

1) Dry kV 2) Wet kV Power frequency withstand voltage (rms) of single disc unit

1) Dry kV 2) Wet kV Power frequency puncture voltage (rms) of single disc unit

kV


C.13 - Disc Insulator Units ( Standard Type ) ( Continued ) (To be filled up by the Bidder)

Unit 70kN 90kN 120kN 160kN Impulse flashover voltage ( peak ) of single disc unit ( dry )

1) Positive 2) Negative Impulse withstand voltage ( peak ) of single disc unit ( dry )

1) Positive 2) Negative Steepness of the impulse voltage which the disc unit can withstand in Steep Wave Front Test

kV per micro

sec.

Corona extinction voltage ( rms ) under dry condition, for single unit

Maximum RIV at 1 MHz and at Micro 10 kV (rms) for single unit Volts. Purity of Zinc used for galvanising % No. of dips in Standard Preece Test 1) Cap socket 2) Ball pin

Axial and radial run-out (According to IEC )

1) As per pointer A mm 2) As per pointer B mm


C.13A - Composite Insulator Units ( Standard Type ) (To be filled up by the Bidder)

Unit 70kN 90kN 120kN 160kN Weight of the single insulatort unit kg Size and designation of the ball pin shank / clevis and tongue

mm

Diameter of (along with tolerance) mm

1) central core without housing sleeve cover

2) central core with housing

sleeve cover

3) weather shed Length of single insulator unit mm Tolerance on unit insulator length +/-mm Minimum creepage distance of a single insulator unit

mm


+mm

Core material Shed material Power frequency flashover voltage (rms) of single disc unit


1) Dry kV 2) Wet kV


C.13A - Composite Insulator Units ( Standard Type ) ( Continued ) (To be filled up by the Bidder)




kV per micro

sec.



Note : Any other parameters which Bidder feels are necessary to define the offered composite insulator unit, shall be indicated and guaranteed in the above format.


C.14 - Disc Insulator Units ( Anti-fog Type ) (To be filled up by the Bidder)

Unit 70kN 90kN 120kN 160kN Weight of the single disc unit kg Size and designation of the ball pin shank

mm

Diameter of the disc mm Tolerance on the diameter +/-mm Ball to ball spacing between disc mm Tolerance on ball to ball spacing +/-mm Minimum creepage distance of a single disc

mm


+mm

Shell material ( Glass/Porcelain ) Power frequency flashover voltage (rms ) of single disc unit

1) Dry kV 2) Wet kV Power frequency withstand voltage (rms ) of single disc unit

1) Dry kV 2) Wet kV Power frequency puncture voltage (rms) of single disc unit

kV


C.14 - Disc Insulator Units ( Anti-fog Type ) ( Continued )

(To be filled up by the Bidder)




kV per micro

sec.


Maximum RIV at 1 MHz and at Micro 10 kV (rms) for single unit Volts. Purity of Zinc used for galvanising % Purity of Zinc used for sleeve % No. of dips in Standard Preece Test 1) Cap socket 2) Ball pin

Axial and radial run-out (According to IEC )

1) As per pointer A mm 2) As per pointer B mm


C.14A - Composite Insulator Units ( Anti-fog Type )

(To be filled up by the Bidder) Unit 70kN 90kN 120kN 160kN Weight of the single insulatort unit kg Size and designation of the ball pin shank / clevis and tongue

mm

Diameter of (along with tolerance) mm

1) central core without housing sleeve cover

2) central core with housing

sleeve cover

3) weather shed Length of single insulator unit mm Tolerance on unit insulator length +/-mm Minimum creepage distance of a single insulator unit

mm


+mm

Core material Shed material Power frequency flashover voltage (rms) of single disc unit


1) Dry kV 2) Wet kV


C.14A - Composite Insulator Units ( Anti-fog Type ) ( Continued ) (To be filled up by the Bidder)




kV per micro

sec.



Note : Any other parameters which Bidder feels are necessary to define the offered composite insulator unit, shall be indicated and guaranteed in the above format.


C . 15 - Insulator Strings (Suspension Sets For 132 kV Lines )

(To be filled up by the Bidder) Unit Single “I”

Suspension Strings

Double “I” Suspension

Strings

Pilot Suspension

Strings Power frequency withstand voltage of the string with arcing horns and corona control rings / grading rings under wet conditions

kV(rms)

Impulse flashover voltage (peak) under dry conditions

1) Positive kV 2) Negative kV Impulse withstand voltage (peak) under dry conditions

1) Positive kV 2) Negative kV Salt-fog pollution withstand voltage (only for strings with anti-fog disc units)

kV(rms)


kV(rms)

Radio interference voltage under dry conditions at 1MHz, at 105kV

MicroVolts

Mechanical strength of the complete insulator string along with all hardware fittings

kN

Maximum voltage (in percentage ) across any disc in the complete insulator string under phase to earth voltage ( not applicable for string with composite insulator units )

%

Number of insulator units in each string


C . 15 - Insulator Strings (Suspension Sets For 132 kV Lines ) ( Continued ) ( To be filled up by the Bidder )

Unit Single “I”

Suspension Strings


Strings

Pilot Suspension

Strings Overall length of the set including clamp and all fittings (specify the tolerance also )

mm

Weight of the set, complete with all fittings and arcing horns

kg

Weight of the counter-weights kg Minimum arcing gap distance mm Maximum magnetic power loss of the suspension assembly

Watts

Slipping strength of the suspension assembly (clamp torque Vs. slip curve shall be enclosed )

kN

Particulars of Standard/AGS pre-formed armour rod set for suspension assembly

Standard Or,

AGS

Standard Or,

AGS

Standard Or,

AGS 1) No. of rods per set No. 2) Direction of the lay 3) Overall length after fitting on the

conductor mm

4) Actual length of each rod along its helix

mm

5) Diameter of each rod mm 6) Tolerance in a) Diameter of each rod +/- mm b) Length of each rod +/- mm c) Difference of length +/- mm between the longest and shortest rod in a set 7) Type of Aluminium alloy used for manufacture of PA rods

8) UTS of each rod kg/mm 2


C . 15 - Insulator Strings (Suspension Sets For 132 kV Lines ) ( Continued )

( To be filled up by the Bidder )

Unit Single “I” Suspension

Strings


Strings

Pilot Suspension

Strings Particular of Elastomer (for AGS clamps only )

1) Supplier of elastomer 2) Type of elastomer 3) Shore hardness of elastomer 4) Temperature range for which elastomer is designed

oC

5) Moulded on insert yes/no Purity of Zinc used for galvanising % Minimum No. of one minute dips the ferrous parts can withstand in Standard Preece Test

No.

Minimum weight of Zinc coating per Sq.m. of the uncoated surface

gm/sq.m


C . 16 - Insulator Strings ( Tension Sets For 132 kV Lines ) ( To be filled up by the Bidder )

Unit Single

Tension Strings

Double Tension Strings

Power frequency withstand voltage of the string with arcing horns and corona control rings / grading rings under wet conditions

kV(rms)



1) Positive kV 2) Negative kV Salt-fog pollution withstand voltage ( only for strings with anti-fog units )

kV (rms)


kV(rms)


MicroVolts


kN


%

Number of insulator units in each string Overall length of the set including clamp and all fittings (specify the tolerance also )

mm


C . 16 - Insulator Strings ( Tension Sets For 132 kV Lines ) ( Continued ) ( To be filled up by the Bidder )

Unit Single

Tension Strings



kg

Minimum arcing gap distance mm Electrical resistance of the complete tension assembly along with jumper connection

ohms

Slipping strength of the tension assembly kN Purity of Zinc used for galvanising % Minimum No. of one minute dips the ferrous parts can withstand in Standard Preece Test

No.


gm/sq.m


C . 17 - Insulator Strings (Suspension Sets For 220 kV Lines ) ( To be filled up by the Bidder )

Unit Single “I”

Suspension Strings


Strings

Pilot Suspension


kV(rms)



1) Positive kV 2) Negative kV Salt-fog pollution withstand voltage (only for strings with anti-fog disc units)

kV(rms)


kV(rms)


MicroVolts


kN


%




Unit Single “I”

Suspension Strings


Strings

Pilot Suspension


mm


kg


Watts


kN


Standard Or,

AGS

Standard Or,

AGS

Standard Or,

AGS 1) No. of rods per set No. 2) Direction of the lay 3) Overall length after fitting on the

conductor mm

4) Actual length of each rod along its helix

mm

5) Diameter of each rod mm 6) Tolerance in a) Diameter of each rod +/- mm b) Length of each rod +/- mm c) Difference of length +/- mm between the longest and shortest rod in a set 7) Type of Aluminium alloy used for manufacture of PA rods




Unit Single “I”

Suspension Strings


Strings

Pilot Suspension



oC


No.


gm/sq.m


C . 18 - Insulator Strings ( Tension Sets For 220 kV Lines ) ( To be filled up by the Bidder )

Unit Single

Tension Strings



kV(rms)




kV (rms)


kV(rms)


MicroVolts


kN


%

Number of insulator units in each string Overall length of the set including clamp and all fittings (specify the tolerance also )

mm



Unit Single

Tension Strings



kg


ohms


No.


gm/sq.m


C . 19 - Insulator Strings (Suspension Sets For 400 kV Lines ) ( To be filled up by the Bidder )

Unit Single “I”

Suspension Strings

Pilot Suspension


kV(rms)

Switching surge withstand voltage (peak) under wet conditions

1) Positive kV 2) Negative kV Impulse flashover voltage (peak) under dry conditions



kV (rms)


kV(rms)


MicroVolts


kN

Maximum voltage (in percentage) across any disc in the complete insulator string under phase to earth voltage ( not applicable for string with composite insulator units )

%




Unit Single “I”

Suspension Strings

Pilot Suspension


mm


kg


Watts


kN


Standard Or,

AGS

Standard Or,

AGS 1) No. of rods per set No. 2) Direction of the lay 3) Overall length after fitting on the conductor mm 4) Actual length of each rod along its helix mm 5) Diameter of each rod mm 6) Tolerance in a) Diameter of each rod +/- mm b) Length of each rod +/- mm c) Difference of length +/- mm between the longest and shortest rod in a set 7) Type of Aluminium alloy used for manufacture of PA rods




Unit Single “I”

Suspension Strings

Pilot Suspension



oC


No.


gm/sq.m


C . 20 - Insulator Strings ( Tension Sets For 400 kV Lines )

( To be filled up by the Bidder ) Unit SingleTension

Strings (Low Duty)



kV(rms)

Switching surge withstand voltage (peak) under wet conditions

1) Positive kV 2) Negative kV Impulse flashover voltage (peak) under dry conditions



kV (rms)


kV(rms)


MicroVolts


kN


%




Unit SingleTension

Strings (Low Duty)


Overall length of the set including clamp and all fittings (specify the tolerance also )

mm


kg


ohms


No.


gm/sq.m


C . 21 - Tower Design Particulars : 132 kV Construction (To be filled up by the Bidder)

Unit Maximum tension per phase, for purposes of tower design and application Suspension towers Newton Tension towers Newton Slack span side downleads, `per individual conductor' Newton Maximum uplift per phase on each crossarm for purpose of tension tower design Newton Maximum tension of earth conductor for purpose of tower design and application: Suspension towers Newton Tension towers Newton Earthwire slack span side downleads Newton Maximum uplift of each earth conductor on the tower for purpose of tower design Newton Minimum clearance between live metal and tower steelwork: i. with suspension insulator set swing 0° mm with suspension insulator set swing 15° mm with suspension insulator set swing 30° mm with suspension insulator set swing 45° mm with suspension insulator set swing 60° mm ii. with jumper loop swing 0° mm with jumper loop swing 10° mm with jumper loop swing 20° mm with jumper loop swing 30° mm with jumper loop swing 40° mm Insulator suspension set, unobstructed transverse swing angle degrees from vertical Earth conductor suspension clamps, unobstructed transverse degrees swing angle from vertical Earth conductor maximum shielding angle from vertical at degrees tower attachment point over outer line conductors



Unit Maximum tension per phase, for purposes of tower design and application Suspension towers Newton Tension towers Newton Slack span side downleads, `per individual conductor' Newton Maximum uplift per phase on each crossarm for purpose of tension tower design Newton Maximum tension of earth conductor for purpose of tower design and application: Suspension towers Newton Tension towers Newton Earthwire slack span side downleads Newton Maximum uplift of each earth conductor on the tower for purpose of tower design Newton Minimum clearance between live metal and tower steelwork: i. with suspension insulator set swing 0° mm with suspension insulator set swing 15° mm with suspension insulator set swing 30° mm with suspension insulator set swing 45° mm with suspension insulator set swing 60° mm ii. with jumper loop swing 0° mm with jumper loop swing 10° mm with jumper loop swing 20° mm with jumper loop swing 30° mm with jumper loop swing 40° mm Insulator suspension set, unobstructed transverse swing angle degrees from vertical Earth conductor suspension clamps, unobstructed transverse degrees swing angle from vertical Earth conductor maximum shielding angle from vertical at degrees tower attachment point over outer line conductors



Unit Maximum tension per phase, for purposes of tower design and application

Suspension towers Newton Tension towers Newton Slack span side downleads, `per individual conductor' Newton Maximum uplift per phase on each crossarm for purpose of tension tower design Newton Maximum tension of earth conductor for purpose of tower design and application: Suspension towers Newton Tension towers Newton Earthwire slack span side downleads Newton Maximum uplift of each earth conductor on the tower for purpose of tower design Newton Minimum clearance between live metal and tower steelwork: i. with suspension insulator set swing 0° mm with suspension insulator set swing 15° mm with suspension insulator set swing 30° mm with suspension insulator set swing 45° mm with suspension insulator set swing 60° mm ii. with jumper loop swing 0° mm with jumper loop swing 10° mm with jumper loop swing 20° mm with jumper loop swing 30° mm with jumper loop swing 40° mm Insulator suspension set, unobstructed transverse swing angle degrees from vertical Earth conductor suspension clamps, unobstructed transverse degrees swing angle from vertical Earth conductor maximum shielding angle from vertical at degrees tower attachment point over outer line conductors


C . 24 - Tower Design Particulars (Common for all Towers) (To be filled up by the Bidder)

Unit Maximum ratio of unsupported length of steel compression member to their least radius of gyration: Leg members, ground wire peak members and lower members of the crossarms in compression

Other members carrying computed stresses Redundant members Tension only members Mild High yield steel steel Maximum ultimate stresses, for checking tower designs not subjected to test (unless otherwise approved) : Compression members, Bidder to indicate his design Assumptions N/mm2 Tension members (elastic limit) N/mm2 Shear on bolts N/mm2 Bearing on bolts N/mm2


C . 25 - Particulars Of Double Circuit Towers : 132 kV Construction (To be filled up by the Bidder)

TYPE OF TOWER Unit DA DB DC DD Type of insulator sets Suspension Tension Tension Tension Maximum angle of deviation degree Normal span length m Minimum ground clearance of line conductor at 85°C, normal ground m Sag of line conductor in normal span length at 85°C m Maximum distance of line conductor below crossarm m Height above ground of bottom conductor Crossarm m Minimum height of earth conductors above upper line conductor : at tower m : at mid-span m Vertical spacing between line conductors at tower : Minimum m Actual m Overall tower height m Maximum differential foundation movement permitted under ultimate loads mm

Clearance between conductors of one circuit and tower climbing leg of the other circuit :

Minimum m Actual m Horizontal distance, from tower centre line of insulator attachments m Horizontal distance, from tower centre line of earth conductors m


C . 25 - Particulars Of Double Circuit Towers : 132 kV Construction ( Continued ) (To be filled up by the Bidder)

TYPE OF TOWER Unit DA DB DC DD Tower body dimensions at bottom crossarm level (transverse x longitudinal) m Overall tower base dimensions at ground line (transverse x longitudinal) : Maximum for standard height towers

m

Actual for standard height towers m Total transverse overturning moment at ground line of standard height tower.

kN-m.

Mass of complete standard height tower above ground line (including bolts/nuts; bolts/nuts to be indicated separately )

kg

Mass of tower body extension above ground line :

3 metre body extension only kg 6 metre body extension only kg 9 metre body extension only kg 12 metre body extension only kg - - - 18 metre body extension only kg - - -



TYPE OF TOWER Unit DA DB DC DD Type of insulator sets Suspension Tension Tension Tension Maximum angle of deviation degree Normal span length m Minimum ground clearance of line conductor at 85 °C, normal ground m Sag of line conductor in normal span length at 85 °C m Maximum distance of line conductor below crossarm m Height above ground of bottom conductor crossarm m Minimum height of earth conductors above upper line conductor : at tower m : at mid-span m Vertical spacing between line conductors at tower : Minimum m Actual m Overall tower height m Maximum differential foundation movement permitted under ultimate loads mm





TYPE OF TOWER Unit DA DB DC DD Tower body dimensions at bottom crossarm level (transverse x longitudinal) m Overall tower base dimensions at ground line (transverse x longitudinal) Maximum for standard height towers m Actual for standard height towers m Total transverse overturning moment at ground line of standard height tower

kg-m.


kg

Mass of tower body extensions above ground line 3 metre body extension only kg 6 metre body extension only kg 9 metre body extension only kg 12 metre body extension only kg - - - 18 metre body extension only kg - - - 25 metre body extension only kg - - -



TYPE OF TOWER Unit DA DB DC DD Type of insulator sets Suspension Tension Tension Tension Maximum angle of deviation degree Normal span length m Minimum ground clearance of line conductor at 85 °C, normal ground m Sag of line conductor in normal span length at 85 °C m Maximum distance of line conductor below crossarm m Height above ground of bottom conductor crossarm m Minimum height of earth conductors above upper line conductor : at tower m : at mid-span m Vertical spacing between line conductors at tower : Minimum m Actual m Overall tower height m Maximum differential foundation movement permitted under ultimate loads mm





TYPE OF TOWER Unit DA DB DC DD Tower body dimensions at bottom crossarm level (transverse x longitudinal) m Overall tower base dimensions at ground line (transverse x longitudinal) Maximum for standard height towers

m

Actual for standard height towers m Total transverse overturning moment at ground line of standard height tower

kg-m.


kg

Mass of tower body extensions above ground line 3 metre body extension only kg 6 metre body extension only kg 9 metre body extension only kg 12 metre body extension only kg - - - 18 metre body extension only kg - - - 25 metre body extension only kg - - -


C . 28 - Foundation Design Particulars (To be filled up by the Bidder)

Unit Assumed density of Plain Cement Concrete (PCC) for foundation in dry soil

kg/m3

Assumed density of Plain Cement Concrete (PCC) for foundation in presence of sub-soil water

kg/m3

Assumed density of Re-inforced Cement Concrete (RCC) for foundation in dry soil

kg/m3

Assumed density of Re-inforced Cement Concrete (RCC) for foundation in presence of sub-soil water

kg/m3

28 day concrete cube strength (characteristic strength for M-20 concrete )

N/mm2

28 day concrete cube strength (characteristic strength for M-15 concrete )

N/mm2

Minimum proportion of stub load to be allowed for in the design of stub cleats

%

Density of all type of soils : 1) under dry conditions kg/m3 2) in presence of surface water kg/m3 3) in presence of sub-soil water kg/m3 Ultimate bearing capacity of the soil : 1) normal soil under dry condition kN/m2 2) normal soil in presence of surface as well as sub-soil water kN/m2 3) wet black cotton soil kN/m2 4) fissured rock ( both for dry and wet ) kN/m2 5) hard rock kN/m2 Angle of repose for : 1) dry soil Degree 2) wet soil due to presence of surface/ sub-soil water Degree 3) wet black cotton soil Degree 4) dry fissured rock Degree 5) wet fissured rock Degree Ultimate bond between steel and concrete kN/m2


C . 29 - Quality Of Materials (To be filled up by the Bidder)

Particulars Unit Towers: Mild steel High tensile steel Steel Steel nuts Steel Steel nuts members and bolts members and bolts Grade/standard Tensile breaking stress N/mm2 Elongation on breaking % Gauge length of specimen mm Diameter of specimen mm Yield point as percentage of breaking stress Insulators and fittings: Insulator unit metalwork

Phase and earth conductor metal

fittings Steel Malleable

cast iron Insulator

caps Steel Malleable

cast iron Grade/standard Tensile breaking stress N/mm2 Elongation on breaking % Gauge length of specimen mm Diameter of specimen mm Yield point as percentage of breaking stress %

Documents

Nescl Optcl Cs Os 619 Vol Iia 619